I have a critical mass of paying users and I
have to disappoint a small portion of them.
I hope I'm not misrepresenting your comment because on the spectrum of problems afflicting early stage startups, them's the good kind.On a more serious note, we didn't have too much of a problem with it and we had to say "no" quite a few times. We'd just offer to refund their money and explain the situation the best we could.