“We would actually ask that question as a part of a survey every week while we were growing RoboKiller. Companies fail because they don't find product market fit but they also fail to grow because they don't understand their product market fit.”

Run the PMF Survey Weekly — Product Market Fit Is a Dial, Not a Gate

At RoboKiller, Ethan Garr ran the PMF survey every single week and cross-referenced results against every product change — not to find PMF once, but to continuously deepen understanding of it. Most founders treat PMF as a binary gate they pass through. The more useful mental model: a dial you keep turning, with each product change moving it up or down for different user segments.