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How to Track CAC Payback Using Marketing KPI
CAC payback is one of those metrics that executives love because it answers a simple, uncomfortable question: “How long until our marketing turns into cash we can trust?” But the reason it’s hard is equally simple. CAC is not a single number. It’s a chain of decisions, tracking choices, attribution rules, and finance assumptions that have to agree with each other closely enough to be useful. If you only calculate payback as an afterthought, you end up with a number that