In Small, Out Big

In Small, Out Big

4.5 Success Is All Math – But It’s Basic Math

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Rich Ingrassia
Jun 11, 2026
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In the previous post, I walked through the 3 R’s - Reach, Relevance and Repeatability. With those concept under your belt, you now have the perspective you need to understand the only two calculations that matter when validating a startup investment: Customer Acquisition Cost and Lifetime Value of a Customer.

Let’s unpack them.

Hacking CAC

Once a product i…

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