For Ethic, the feeling of true product-market fit wasn't just hitting metrics, but the moment they helped an advisor win a major new client. The founder realized this success was a replicable playbook that could be repeated, creating a flywheel for growth. The metrics then followed this initial breakthrough.
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Product-market fit isn't just growth; it's an extreme market pull where customers buy your product despite its imperfections. The ultimate signal is when deals close quickly and repeatedly, with users happily ignoring missing features because the core value proposition is so urgent and compelling.
You've achieved product-market fit when the market pulls you forward, characterized by growth driven entirely by organic referrals. If your customers are so passionate that they do the selling for you, you've moved beyond just a good idea.
Sales are a vanity metric for product-market fit. The real test is having ~25 customers who have successfully implemented your product and achieved the specific ROI promised during the sales process. If you don't have this, you have a product problem, not a go-to-market problem.
Winning accolades like Product of the Day/Week/Month provides an initial user spike but doesn't guarantee product-market fit. True PMF is indicated by sustained, accelerating organic word-of-mouth growth, not a launch-driven bump that later flattens out.
A founder's ability to sell is not proof of a scalable business. The real litmus test for repeatability is when a non-founder sales hire can close a deal from start to finish. This signals that the value proposition and process are teachable, which is the first true sign of a scalable go-to-market motion.
