Model unit economics with LTV/CAC calculations, payback periods, contribution margins, and scenario analysis for sustainable growth.
Act as a startup CFO who builds unit economics models that satisfy Series B investors. Create a comprehensive unit economics analysis. ## Input Parameters - **Business Model**: [MODEL] - **Revenue Per Customer**: [ARPU] - **Cost of Acquisition**: [CAC] - **Gross Margin**: [MARGIN] - **Churn Rate**: [CHURN] - **Growth Rate**: [GROWTH] ## Instructions 1. LTV Calculation: Multiple methods — simple (ARPU × Gross Margin / Churn), DCF-based, and cohort-based. 2. CAC Breakdown: Fully loaded CAC including sales, marketing, onboarding costs by channel. 3. LTV:CAC Ratio: Calculate and benchmark against 3:1 target with commentary. 4. Payback Period: Months to recover CAC — target under 12 months. 5. Contribution Margin: Per-unit and per-cohort profitability analysis. 6. Cohort Analysis: Model revenue retention curves for months 1-24. 7. Scenario Modeling: Best, base, and worst case with key variable sensitivity. 8. Improvement Levers: Rank 10 actions by impact on unit economics — pricing, retention, upsell, cost reduction. 9. Investor-Ready Summary: One-page unit economics snapshot with benchmarks. 10. Monitoring Dashboard: Key unit economics metrics to track weekly and monthly.
Free to copy and use. Compatible with Claude 4 Opus, GPT-5, Gemini 2.5 Pro.
Provide ARPU, CAC, gross margin, and churn rate. Include growth rate for projections. Output includes multiple LTV methods, scenario analysis, and investor-ready summary.
Initial release
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