When Should a Startup Hire a Fractional CFO?

When Should a Startup Hire a Fractional CFO?

When Should a Startup Hire a Fractional CFO? | Complete Timing Guide | Ledgerive

When Should a Startup Hire a Fractional CFO?

Complete Timing Guide for Startup Financial Leadership

Understanding Fractional CFO Value for Startups

The decision to hire a fractional CFO represents one of the most impactful strategic investments startups make, dramatically improving financial sophistication, fundraising success rates, operational efficiency, and growth trajectory while avoiding premature full-time executive costs that early-stage companies cannot justify or afford given limited revenues and cash runway constraints. Fractional CFOs bring sophisticated financial expertise, strategic perspective, investor credibility, and operational discipline that founders typically lack despite exceptional domain expertise and entrepreneurial drive creating systematic blind spots in financial management, fundraising preparation, and operational scaling that experienced CFO leadership addresses through proven frameworks, disciplined processes, and strategic guidance unavailable from bookkeepers, controllers, or part-time accountants lacking executive experience and strategic capability essential for startup success in increasingly competitive environments demanding operational excellence alongside growth achievement.

The timing question proves critical as premature engagement wastes limited resources on capabilities not yet needed, while delayed hiring creates costly mistakes, missed fundraising opportunities, operational inefficiencies, and strategic missteps that early CFO involvement would have prevented through better financial planning, investor preparation, system implementation, and strategic guidance worth multiples of fractional CFO costs through avoided errors and captured opportunities. The complexity intensifies as optimal timing varies substantially by business model, growth rate, fundraising plans, founder capabilities, and competitive dynamics making generic recommendations potentially misleading without context-specific assessment of circumstances, needs, and readiness for financial leadership sophistication that fractional CFOs provide enabling dramatic improvements in multiple dimensions simultaneously when engaged at appropriate inflection points matching organizational maturity with CFO capability application.

Understanding when to hire requires honest assessment of financial sophistication gaps, growth trajectory implications, fundraising timeline considerations, and founder bandwidth limitations signaling that professional financial leadership would accelerate progress and reduce risk materially compared to continued founder-led finance functioning adequately during earlier stages but increasingly inadequate as companies scale beyond thresholds where informal approaches create growing inefficiency, error, and missed opportunity. This guide provides comprehensive framework for timing decisions helping founders recognize signals indicating fractional CFO needs, understand value propositions and cost considerations, avoid common mistakes, and execute effective engagements maximizing return on investment through appropriate scope definition, provider selection, and relationship management ensuring fractional CFO services deliver expected value through strategic engagement rather than becoming expensive administrative support providing limited impact relative to costs incurred without adequate strategic focus and leadership contribution.

3x
Higher Fundraising Success Rate with CFO
$5-15K
Typical Monthly Fractional CFO Cost
$2-5M
Optimal Revenue for Fractional CFO
18-36 Mo
Typical Fractional Engagement Duration

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Clear Signs It's Time to Hire

Recognizing indicators signaling fractional CFO needs enables proactive engagement before crisis situations force reactive hiring from positions of weakness producing suboptimal outcomes and higher costs compared to strategic engagements initiated when ample time exists for thoughtful provider selection, comprehensive onboarding, and gradual capability building avoiding rushed implementations and emergency interventions addressing problems that earlier engagement would have prevented entirely through proactive planning and systematic capability development.

10 Clear Signals You Need a Fractional CFO

Signal Category Specific Indicators Impact if Ignored CFO Solution
Fundraising Plans Preparing Series A/B, financial model needed, investor questions beyond founder expertise Lower valuations, failed raises, unfavorable terms, excessive dilution Financial models, investor materials, due diligence support, negotiation guidance
Financial Visibility Can't answer profitability questions, unclear unit economics, no cash forecast Cash crises, poor decisions, investor concern, operational inefficiency Financial reporting, KPI dashboards, forecasting, analysis frameworks
Scaling Challenges Growing 50%+ annually, adding functions, increasing complexity, systems inadequate Operational chaos, margin compression, cash burn, quality issues Systems implementation, process design, scalable infrastructure, planning
Founder Bandwidth Finance consuming 20%+ of founder time, strategic work suffering, mistakes increasing Missed opportunities, leadership fatigue, strategic drift, competitive disadvantage Financial leadership delegation, expert guidance, time recapture for strategy
Investor Pressure Board requests better reporting, investor concerns about financial management Lost confidence, replacement pressure, funding jeopardy, valuation impact Professional reporting, board materials, investor communication, credibility

Additional Warning Signs:

  • Cash Flow Surprises: Unexpected shortfalls, inability to predict runway accurately, frequent cash "emergencies"
  • Pricing Problems: Uncertain about pricing strategy, unable to analyze profitability by product/customer
  • Financial Audit Needs: Requirement for audited financials for customers, investors, or lenders
  • M&A Opportunities: Considering acquisitions or receiving acquisition interest requiring sophisticated financial analysis
  • Compliance Challenges: Revenue recognition complexity, R&D tax credits, sales tax nexus questions
  • Strategic Planning: Need for sophisticated financial modeling, scenario planning, strategic alternatives analysis

Optimal Timing by Startup Stage

Fractional CFO timing varies by startup stage with distinct needs, priorities, and readiness indicators at each phase requiring customized assessment rather than universal prescriptions potentially missing stage-specific nuances affecting appropriate timing and engagement scope for maximum value creation relative to costs incurred and organizational readiness for sophisticated financial leadership.

Pre-Seed / Seed ($0-$1M)
Typical Status:
Too early for fractional CFO—focus on product-market fit, basic bookkeeping adequate

Financial Needs:
• Basic accounting/bookkeeping
• Simple cash flow tracking
• Pitch deck financials
• Founder-led finance sufficient

Exception Cases:
Complex business models, regulated industries, founder with zero finance background

Recommendation:
Wait—invest in product and customer acquisition
Series A Prep ($1-3M ARR)
Typical Status:
**OPTIMAL TIME** for fractional CFO engagement—preparing for institutional capital

Financial Needs:
• Sophisticated financial model
• Unit economics analysis
• Investor-grade metrics package
• Fundraising strategy and execution
• Due diligence preparation

Value Proposition:
3-5x higher fundraising success, better valuations, stronger investor confidence

Recommendation:
**Hire 6-9 months before fundraising**
Scaling ($3-10M ARR)
Typical Status:
**CRITICAL NEED**—scaling operations require sophisticated financial management

Financial Needs:
• Systems implementation (ERP, CRM)
• Financial planning & analysis
• Cash management & forecasting
• Department budgeting
• Board reporting & governance
• Continuous fundraising support

Value Proposition:
Prevents cash crises, enables scaling, improves efficiency 20-40%

Recommendation:
**Essential if not already engaged**
Growth ($10-25M ARR)
Typical Status:
Transition point—fractional often transitions to full-time CFO

Financial Needs:
• Full finance team building
• Advanced analytics & insights
• Strategic partnerships
• M&A analysis and execution
• Exit preparation (IPO/acquisition)

Value Proposition:
Strategic leadership, exit optimization, organizational maturity

Recommendation:
**Transition to full-time or maintain fractional with specialized expertise**

Fractional CFO for Fundraising

Fundraising represents the single most valuable fractional CFO use case for startups as professional financial leadership dramatically improves success rates, accelerates timelines, enhances valuations, and reduces founder stress through sophisticated preparation, credible presentation, and experienced guidance navigating complex processes that first-time founders find overwhelming without adequate support creating substantial risks of failed raises, suboptimal terms, or excessive timelines consuming runway and creating financial pressure potentially forcing unfavorable terms that better preparation and execution would have avoided.

Fundraising Engagement Timeline:

  • 6-9 Months Before Fundraising: Ideal fractional CFO engagement timeframe enabling comprehensive preparation
  • Financial Model Development: 2-3 months to build sophisticated 3-statement model with scenario planning
  • Metrics Package Creation: 1-2 months developing investor-grade KPI dashboards and cohort analysis
  • Investor Materials: 4-6 weeks creating data rooms, executive summaries, detailed appendices
  • Due Diligence Prep: 2-3 months organizing documents, addressing potential issues, preparing responses
  • Roadshow Support: Active involvement during fundraising process managing investor questions and negotiations
  • Post-Close Integration: 1-2 months implementing investor reporting, governance structures, strategic planning
Fundraising Deliverable CFO Value-Add Founder Alternative Quality Difference
Financial Model Sophisticated 3-statement model, scenario planning, sensitivity analysis Basic spreadsheet, revenue projections only, static assumptions Professional vs amateur—materially affects investor confidence and valuation
Unit Economics Detailed cohort analysis, LTV:CAC calculations, retention modeling Simple averages, incomplete calculations, weak methodology Credible analysis vs hand-waving—critical for SaaS/subscription models
Due Diligence Organized data room, proactive issue resolution, rapid response Reactive scrambling, delayed responses, discovered problems Smooth process vs problematic delays potentially killing deals
Term Sheet Negotiation Expert guidance on market terms, strategic advice, risk assessment Limited experience, acceptance of unfavorable terms, missed issues Optimal terms vs expensive mistakes potentially costing millions

Fractional vs Full-Time CFO

The fractional versus full-time CFO decision depends on company stage, complexity, growth rate, and financial resources with fractional CFOs optimal for companies under $10-20M revenue or $500K-$1M EBITDA unable to justify $200-400K+ full-time CFO compensation but requiring sophisticated financial leadership beyond controller capabilities. Understanding tradeoffs enables informed decisions avoiding premature full-time hiring creating excessive overhead or delayed fractional engagement missing valuable guidance during critical growth phases.

Consideration Fractional CFO Full-Time CFO Decision Factors
Cost $5-15K monthly ($60-180K annually) $200-400K+ total compensation Revenue scale, profitability, cash availability, ROI justification
Time Commitment 20-40 hours monthly (strategic focus) Full-time availability Complexity, transaction volume, team management needs
Expertise Senior executive with broad experience Variable—depends on hire quality Specific needs, industry requirements, technical complexity
Flexibility Easy to adjust scope, no termination costs Committed employment, severance risk Growth predictability, organizational stability, future clarity
Best For $2-15M revenue, strategic needs, fundraising $15M+ revenue, daily operations, team leadership Company stage, growth trajectory, complexity, resources

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What Fractional CFOs Provide

Fractional CFOs deliver comprehensive financial leadership spanning strategic planning, fundraising support, financial operations, systems implementation, and team development providing executives-level expertise and guidance previously accessible only to well-funded companies or later-stage businesses with resources justifying full-time CFO investments creating dramatic capability upgrades for growing startups at fraction of full-time costs.

Core Fractional CFO Services for Startups:

  • Financial Strategy & Planning: Strategic financial planning, scenario modeling, capital allocation, growth strategies
  • Fundraising Leadership: Financial modeling, investor materials, due diligence, term sheet negotiation, closing support
  • Financial Reporting: Investor-grade financials, KPI dashboards, board packages, management reporting
  • Cash Management: 13-week rolling forecasts, burn rate analysis, runway management, working capital optimization
  • Budgeting & Forecasting: Annual budgets, quarterly reforecasts, department planning, variance analysis
  • Systems & Process: Accounting system selection, implementation oversight, process design, automation
  • Team Development: Controller hiring, accountant training, process documentation, capability building
  • Board & Investor Relations: Board meeting preparation, investor updates, governance support, strategic facilitation

Cost and ROI Considerations

Fractional CFO costs vary by engagement scope, company complexity, and experience level typically ranging $5-15K monthly with most startup engagements at $8-12K for 20-30 hours monthly providing strategic financial leadership at 25-40% of full-time CFO costs. ROI proves substantial through improved fundraising outcomes alone—better valuations, higher success rates, favorable terms—often producing returns of 10-20x investment before considering operational improvements, avoided mistakes, and strategic guidance value that compounds over time.

Fractional CFO Investment Framework:

  • Monthly Retainer: $5-8K for 15-20 hours (basic engagement), $10-15K for 25-40 hours (comprehensive)
  • Fundraising Projects: $15-30K one-time project fee for comprehensive fundraising support
  • System Implementation: $10-25K project fees for ERP selection and implementation guidance
  • Audit Support: $5-15K for first audit preparation and coordination
  • ROI Examples: 5% better valuation on $10M raise = $500K value from $50K investment (10x ROI)

Selecting the Right Fractional CFO

Fractional CFO selection requires careful evaluation of experience, expertise, cultural fit, and availability ensuring chosen provider possesses relevant industry knowledge, startup experience, and specific capabilities matching company needs rather than generic financial expertise potentially missing critical startup-specific requirements or lacking practical knowledge navigating growth challenges and fundraising processes that effective fractional CFO leadership demands for maximum value creation.

Transitioning to Full-Time CFO

Most fractional CFO engagements eventually transition to full-time CFOs as companies scale beyond $15-20M revenue or achieve profitability supporting full-time compensation, with experienced fractional CFOs facilitating smooth transitions through candidate identification, hiring support, onboarding assistance, and knowledge transfer ensuring continuity and preventing disruption during leadership transitions that poor planning or execution could create through gaps or duplicative efforts during handoff periods.

Common Hiring Mistakes to Avoid

Startups commonly make fractional CFO hiring mistakes including engaging too early before needs justify costs, waiting too long missing critical guidance during formative periods, inadequate scope definition creating unclear expectations, poor provider selection choosing inappropriate expertise, or insufficient engagement allowing superficial involvement producing limited value relative to investment creating disappointment and questioning fractional model viability when actual issue involved poor execution rather than model limitations.

⚠️ Hiring Mistakes to Avoid:

  • Premature Engagement: Hiring before $1-2M revenue when founder-led finance remains adequate
  • Delayed Hiring: Waiting until crisis forces reactive engagement from weak negotiating position
  • Wrong Expertise: Selecting large-company CFO lacking startup experience or growth company background
  • Insufficient Scope: Under-resourcing engagement limiting time and focus producing superficial involvement
  • No Clear Objectives: Vague expectations without specific deliverables or success metrics
  • Poor Integration: Failing to involve CFO in strategy, board meetings, or key decisions
  • Tactical Focus: Relegating CFO to bookkeeping oversight rather than strategic leadership

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Frequently Asked Questions

At what revenue should a startup hire a fractional CFO?
The optimal revenue threshold for fractional CFO engagement typically falls between $1-5M ARR with sweet spot around $2-3M when preparing for Series A fundraising or experiencing scaling challenges requiring sophisticated financial management beyond founder capabilities. Below $1M revenue, most startups function adequately with founder-led finance plus basic bookkeeping services as organizational complexity, transaction volume, and strategic financial needs remain modest enough for capable founders to manage alongside product development and customer acquisition priorities demanding primary attention during earliest stages. Between $1-3M revenue particularly when approaching institutional fundraising rounds, fractional CFOs deliver maximum value through fundraising preparation, financial modeling, investor materials development, and due diligence coordination substantially improving success rates, valuations, and terms relative to founder-led efforts lacking equivalent sophistication or credibility with professional investors conducting rigorous financial evaluation. Above $5M revenue especially approaching $10M threshold, companies increasingly benefit from full-time CFO leadership given transaction volumes, team management requirements, ongoing investor relations demands, and strategic complexity justifying dedicated executive attention that fractional engagement cannot adequately provide despite senior expertise. However, these ranges represent general patterns rather than absolute rules as actual timing depends on multiple factors including business model complexity, fundraising plans, founder financial sophistication, growth rate, competitive dynamics, and available resources creating situation-specific assessment requirements. Technology companies with complex revenue recognition, marketplace businesses with multi-sided economics, or regulated industries with compliance requirements may benefit from earlier fractional CFO engagement regardless of revenue given financial complexity, while simple service businesses with straightforward economics might reasonably delay engagement until higher revenue thresholds justify investment. The key indicator is whether financial management consumes disproportionate founder attention, whether growth plans require institutional capital demanding professional financial preparation, whether operational complexity exceeds informal management capabilities, or whether strategic financial guidance would materially improve decision quality and execution success justifying investment despite limited revenue potentially making costs feel premature from pure affordability perspective but justified from strategic value and avoided mistake perspectives that experienced CFO guidance provides.
How much does a fractional CFO cost for startups?
Fractional CFO costs for startups typically range $5-15K monthly depending on engagement scope, company complexity, and required time commitment with most startup engagements falling in $8-12K range providing 20-30 hours monthly of strategic financial leadership at 25-40% of full-time CFO total compensation including salary, benefits, equity, and indirect costs. Project-based engagements for specific initiatives like fundraising preparation or system implementation typically cost $15-30K for comprehensive multi-month projects delivering defined outcomes with clear scope and timeline. Hourly rates generally range $200-400 per hour though most fractional CFOs prefer retainer structures providing predictable monthly fees and defined availability rather than pure hourly arrangements creating billing friction and misaligned incentives potentially encouraging inefficiency rather than value maximization. The cost-benefit analysis proves favorable for most startups as fractional CFO investment produces returns through multiple mechanisms including improved fundraising outcomes potentially worth millions through better valuations or higher success rates, operational improvements reducing cash burn 15-30% through better planning and resource allocation, avoided mistakes preventing expensive errors in hiring, systems, contracts, or strategic decisions, and strategic guidance accelerating growth and competitive positioning through better decision-making and execution focus. A typical calculation might show $10K monthly fractional CFO investment ($120K annually) producing $500K+ value through 5% better Series A valuation alone before considering operational improvements, avoided mistakes, faster fundraising timeline, or strategic guidance benefits that compound over time. Companies should view fractional CFO costs as strategic investments rather than pure expenses, evaluating ROI potential relative to alternative uses of limited capital recognizing that professional financial leadership often proves among highest-return investments startups make given dramatic improvements in fundraising success, operational efficiency, strategic clarity, and execution velocity that experienced CFO guidance enables compared to founder-led finance functioning adequately during earlier stages but increasingly inadequate as complexity scales and stakes increase making financial sophistication essential rather than optional for competitive success in demanding growth markets.
Can a fractional CFO help with fundraising?
Fractional CFOs provide exceptional value for startup fundraising representing arguably the single most impactful use case as professional financial leadership dramatically improves success rates, accelerates timelines, enhances valuations, and reduces founder stress through sophisticated preparation, credible presentation, and experienced guidance navigating complex processes that first-time founders find overwhelming without adequate support. Comprehensive fundraising support includes developing sophisticated three-statement financial models with scenario planning and sensitivity analysis that investors expect and founders typically cannot build without extensive financial modeling experience, creating detailed unit economics analyses and cohort modeling demonstrating business viability and growth potential through rigorous quantitative frameworks, preparing investor-grade metrics packages with SaaS benchmarks or industry-specific KPIs that professional investors use for evaluation, organizing comprehensive data rooms anticipating due diligence questions and proactively addressing potential concerns before they become objections, preparing executive summaries and detailed appendices supporting pitch narratives with credible financial backing, participating in investor meetings providing technical financial expertise and answering detailed questions beyond founder capabilities, managing due diligence processes coordinating responses and maintaining momentum through complex multi-week examinations, negotiating term sheets ensuring market-appropriate terms and avoiding unfavorable provisions that inexperienced founders might accept without recognizing long-term implications, and coordinating closing processes ensuring smooth completion and avoiding last-minute complications potentially derailing transactions. The value proposition proves substantial as studies show companies with professional CFO involvement during fundraising achieve 3-5x higher success rates, 10-20% better valuations through improved positioning and negotiation, 30-50% faster fundraising timelines through superior preparation and execution, and materially better terms through experienced negotiation and term sheet evaluation that prevents acceptance of provisions that sophisticated CFOs recognize as problematic despite appearing reasonable to founders lacking equivalent transaction experience. For typical Series A raising $5-10M, even modest 5% valuation improvement worth $250-500K from $50-80K fractional CFO investment produces 5-10x ROI before considering higher success probability, faster timeline, better terms, or reduced founder stress that professional support provides. Most experienced fractional CFOs recommend engagement 6-9 months before anticipated fundraising enabling adequate preparation time, relationship building with investors, and comprehensive materials development avoiding rushed execution from compressed timelines producing inferior outcomes that earlier engagement would have prevented through systematic preparation and strategic positioning.
What's the difference between a fractional CFO and a controller?
Fractional CFOs and controllers serve fundamentally different roles with CFOs providing strategic financial leadership, external relationship management, and executive decision support while controllers focus on accounting operations, financial reporting accuracy, and compliance ensuring reliable financial information through disciplined accounting processes and internal controls. Controllers typically handle day-to-day accounting including transaction processing, account reconciliations, month-end close procedures, financial statement preparation, and audit coordination ensuring accurate timely financial reporting meeting GAAP requirements and providing reliable data for decision-making. They manage accounting staff, implement accounting policies, maintain internal controls, coordinate external audits, and ensure regulatory compliance focusing primarily on backward-looking financial reporting and operational accounting rather than forward-looking strategy or external stakeholder management. Fractional CFOs conversely provide strategic planning developing financial models, budgets, and forecasts informing business strategy and resource allocation, fundraising leadership managing capital raising processes, investor relationships, and financing strategies, board and investor relations preparing materials, facilitating discussions, and managing stakeholder communications, strategic decision support analyzing alternatives, evaluating opportunities, and providing financial perspective on major decisions, and team leadership providing oversight and guidance to controllers and accounting staff while building organizational financial capabilities. The compensation and experience levels differ substantially with controllers typically earning $80-150K with accounting backgrounds and 5-15 years experience in accounting roles, while fractional CFOs command $200-400K full-time equivalent compensation with 15-25+ years experience including senior finance leadership, capital markets expertise, and strategic business experience beyond pure accounting. Most growing startups eventually need both capabilities with typical progression involving initial bookkeeper handling basic accounting, controller addition around $3-5M revenue managing accounting operations, and fractional CFO engagement around $2-3M revenue providing strategic leadership particularly for fundraising, with full-time CFO transition around $15-20M revenue when scale justifies dedicated executive. The common mistake involves expecting controllers to provide CFO-level strategic guidance that exceeds their typical training, experience, and role scope, or conversely engaging fractional CFOs for operational accounting that wastes expensive strategic expertise on tactical tasks that controllers handle more cost-effectively enabling CFOs to focus on high-value strategic activities delivering disproportionate impact through sophisticated analysis, external relationship management, and executive decision support that controllers typically cannot provide given different skill sets and experience profiles despite both being critical finance roles with complementary but distinct responsibilities.
How long do startups typically use fractional CFO services?
Startup fractional CFO engagements typically last 18-36 months averaging around 24 months as companies scale from Series A through Series B growth stages eventually transitioning to full-time CFOs when revenue and organizational complexity justify dedicated executive leadership that fractional arrangements cannot adequately provide despite senior expertise given time constraints limiting involvement in day-to-day operations, team management, and continuous stakeholder engagement that full-time roles enable. The engagement duration depends on multiple factors including growth trajectory with faster-growing companies transitioning sooner as they reach full-time CFO thresholds more quickly, fundraising success accelerating scale and resources supporting full-time hire, profitability achievement providing cash generation funding executive compensation, organizational complexity requiring full-time leadership attention as teams expand and operations become more sophisticated, and strategic priorities shifting toward execution and operational management versus strategic planning and external relationships where fractional CFOs deliver maximum value. Typical engagement patterns involve initial 6-12 month intensive period during fundraising or major initiative requiring deep involvement, maintenance phase providing ongoing strategic guidance and periodic deliverables while operations stabilize, and transition period identifying and onboarding full-time CFO successor ensuring continuity and knowledge transfer. Some companies maintain fractional relationships indefinitely particularly those prioritizing profitability over hypergrowth, preferring lean organizational structures minimizing overhead, or requiring specialized expertise beyond general CFO capabilities where fractional arrangements provide flexible access to specific knowledge domains. Project-based engagements for specific initiatives like fundraising, audits, or system implementations may last 3-6 months delivering defined outcomes then concluding or converting to ongoing advisory relationships providing periodic strategic guidance without continuous monthly retainers. The transition to full-time CFO typically occurs around $15-20M revenue though some companies delay until $25-30M+ if fractional arrangements remain adequate and cost-effective, while others hire full-time earlier around $10-12M if complexity, board requirements, or strategic priorities demand dedicated leadership that fractional engagement cannot deliver given time constraints. Experienced fractional CFOs proactively manage transition planning recognizing when companies outgrow fractional models, assisting with full-time CFO recruitment, facilitating smooth handoffs, and often maintaining advisory relationships post-transition providing specialized guidance or board-level involvement leveraging accumulated knowledge and established relationships while new full-time CFOs assume day-to-day operational leadership. The key insight is viewing fractional CFO services as appropriate for specific growth stages rather than permanent solutions, recognizing that optimal financial leadership models evolve with organizational maturity requiring different approaches at different stages matching leadership intensity and cost to actual business needs and resource availability.