We all know the feeling: we get a great SaaS idea, we spend a weekend building it...then somewhere along the way, we think maybe this idea isn't as good as I thought it was Or you make 1 Reddit post and someone leaves a mean comment saying "Who is this for ?" We doubt, we go back to the drawing board, and look for another idea, a "better" idea I submit this to you: the idea does not matter, it's besides the point entirely. The #1 indicator of success for a SaaS is marke...