New top story on Hacker News: Ask HN: Top three questions for a startup before accepting a job offer?

Ask HN: Top three questions for a startup before accepting a job offer?
239 by wrestlerman | 103 comments on Hacker News.
I'm curious, what questions do you think are the most important before you accept a job offer from a startup? I'm curious, how do you know when to join or not to join a startup?