The product-market fit obsession
By Mike Rothenberg Marc Andreessen famously writes that "the only thing that matters is product-market fit" (1) . I'd tweak it slightly to say "the only thing that matters is finding product-market fit before you run out of cash." If we learned anything from RC Fin, it's that for-profit businesses are as valuable as the NPV of their expected cash-flows. Start-ups are a tricky beast not because we don't want to value them based on their cash-flows, but rather because we have no idea how to project their cash-flows. Hence the "expected" part of "expected cash-flows" becomes the focus. Until there is product-market fit, the start-up is just a start-up with no basis for expecting cash flows, and not a real business with a foundation on which to pin the expectation of future cash flows. The "product-market fit" concept is essential for entrepreneurs and managers to help them focus their team on creating useful products and se...