A lot of the advice we give startups is tactical; meant to be helpful on a day to day or week to week basis. But some advice is more fundamental. We’ve collected here what we at YC consider the most important, most transformative advice for startups. Whether common sense or counter-intuitive, the guidance below will help most startups find their path to success. The first thing we always tell founders is to launch their product right away; for the simple reason that this is the only way to full