Product-market fit was defined for companies chasing billion-dollar exits. Most of us aren't. So what does PMF look like when you just want a niche tool that pays your bills? I run Inithouse , a portfolio of 14 small products — all MVP-stage, all searching for that elusive "fit." And the more I build, the more I realize the standard PMF playbook doesn't apply to what I'm doing. The Sean Ellis test doesn't work here The classic PMF benchmark: survey your users, and if 40% say they'd be "very disappointed" without your product, you've found fit. Sounds clean. But it assumes you have enough users to survey. When you're running a niche tool with 200 monthly visitors and 30 active users, that 40% threshold is statistically meaningless. Eight people saying "very disappointed" doesn't tell you much. More importantly, the Ellis test was designed for products with network effects and viral loops — the kind where "disappointment" correlates with organic growth.…