Calculating Your Unit Economics
To validate the financial sustainability of your model
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Calculate the unit economics of my business [DESCRIPTION]. Available data: customer acquisition cost [CAC], average revenue per user [ARPU], monthly churn rate [CHURN%], cost of service per customer [COGS]. Calculate: LTV, LTV/CAC ratio, payback period, contribution margin. Interpret these metrics and tell me if my model is sustainable. What should I improve first?
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Attention aux unités : si le churn est mensuel, le LTV sera exprimé en mois. Annualisez l’ARPU ou utilisez des périodes cohérentes. Pour un SaaS, visez un ratio LTV/CAC > 3 et un payback < 12 mois. Si la marge de contribution est négative, le modèle n’est pas soutenable même avec un LTV élevé : corrigez le COGS avant de scaler l’acquisition.
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