If you ask the "why do they need investors if they already have enough revenue at the moment to survive for now" question, then you really don't understand the

If you ask the "why do they need investors if they already have enough revenue at the moment to survive for now" question, then you really don't understand the basics of startup investment. The situation where you obviously need investment just to survive, is the only time you absolutely don't try to raise investor money. Sorry, but this question comes up far too often on HN.