I think your fears are unwarranted. Every entrepreneur seems to have these happy fears. Oh no, what if my site crashes under terrific load! What if super-VC Paul Schmaltz sees a bug in my website!<p>Even if you get enough traffic to knock down your server, that will just be a boon.<p>And it's better to get your software out there half-working and get feedback than to build something nice and have to rebuild it after you find out the average user wants something else.