James Sinclair on why first-time founders claim product-market fit too early. They mistake a few customers or early revenue for PMF, then chase Series A instead of focusing on retention. Real PMF takes years and only shows up after launch when customers prove they get extraordinary value.
Chapters
A really common and understandable error. First time entrepreneurs make is claiming the product market fit win a little bit too early or misunderstanding their definition of product market fit. The reality is product market fit only can be defined after you've built the product, after you've come to market, after you've got some customers, after they've had time to use it, and after being able to see are they getting extraordinary value out of this technology. PMF is a multi year game. You don't come out the door with it and instead you're learning the entire time and iterating to get closer and closer to that fit and closer and closer to that retention and scale. So many founders, once they raise a little bit of money or they get a couple of customers, kind of ring the PMF bell and start focusing on scaling their business and they start hiring people and they start thinking revenue is the metric, they start thinking series A is the metric. It's not. There's only one metric. Are customers getting extraordinary value out of your technology, yes or no?