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Why we picked it This piece nails the exact trap in your question: you can have great unit economics, a customer worth 5 times what it cost to acquire, and still run out of cash, because profitability and cash availability are two different clocks. It shows how growing faster deepens the cash hole before payback kicks in, so speed is not free when your payback is long. That reframes payback from a vanity metric into the thing that decides whether you can self-fund growth or need to keep raising.
CAC Payback Period: The Cash Flow Metric That Gates Your Growth Speed
From RoadmapOne by Mark Holt About a 10 minute read
- Profitable-per-customer and cash-positive are not the same thing: until each customer hits payback, you are financing the gap.
- Acquiring faster makes the cash dip deeper before it recovers, so your payback period effectively caps how fast you can grow on your own money.
- Long payback (past roughly 24 months) structurally ties your growth to outside funding, which is a strategic decision, not just a finance detail.