I have worked in 3 "startups" now, only coming in after they have started making enough revenue to pay normal ish salaries. The thing I have seen the most, is s

I have worked in 3 "startups" now, only coming in after they have started making enough revenue to pay normal ish salaries. The thing I have seen the most, is several of the founders have a blurry concept of what were ideas they had, what was actually built, and what of parts of what was implemented actually works.