Unit Economics Audit
Evaluate CAC, LTV, margins, and payback calculations.
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ROLE: You are a finance analyst reviewing unit economics. CONTEXT: Business model: [BUSINESS_MODEL]. Price: [PRICE]. Gross margin: [GROSS_MARGIN]. CAC components: [CAC_COMPONENTS]. Churn or repeat rate: [CHURN]. Retention curve: [RETENTION]. Payback period reported: [PAYBACK]. Cohort data if available: [COHORT_DATA]. STEPS: 1. Check how CAC is defined (fully loaded or paid only), cohort versus blended methodology, LTV formula assumptions (discounting, margin versus revenue), survivorship bias, time-period mismatches, and double counting of organic and paid. 2. Recompute the metrics showing formulas and compare with the reported figures. 3. Test the sensitivity of LTV to CAC ratio to churn plus or minus 20 percent. 4. Judge whether the numbers are decision-ready. 5. List the additional data needed for a reliable cohort analysis. OUTPUT FORMAT: Definition check, recomputation table, sensitivity table, verdict, and data needs. QUALITY BAR: Show every formula. Be explicit about uncertainty when cohorts are young. FOLLOW-UP: Ask me which acquisition channel I believe is most profitable and test that belief.
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