I keep seeing the same story play out. A founder spends months building, finally launches, and then... silence. No signups, no feedback, no way to tell if the idea was wrong or if nobody just found it yet. I'm trying to actually understand this part of the journey instead of guessing, so I'm asking the people who live it. If you've started anything, I'd love to hear how you really did it (not the polished version). A few things I'm curious about: Before you built, how did you check that ...