The most common post YC failure case for the companies we fund, is they're incredibly focussed during YC on their company... and after they start doing a lot of other things. They advise companies, they go to conferences, whatever.
Sam AltmanFiring people is one of the worst parts of running a company. Actually in my own experience, I think it is the worst.
Sam AltmanI prefer to invest in a company that's going after a small but rapidly growing market than a big but slow growing one.
Sam Altman