I'd invest it into my current company and apply to YC for my next idea, in the next round. Can you see the headlines on TechCrunch already: "Five million dolla

I'd invest it into my current company and apply to YC for my next idea, in the next round. Can you see the headlines on TechCrunch already: "Five million dollar man to join YC", "Man who makes millions rain has a new idea, VCs interested", "Lucky Millionaire claims: 'I make my own luck', anyone buying?". It's not a zero sum game you know. ;)