I made single-digit millions from the Loopt acquisition. Almost all the money I've made has been as an investor. I got lucky in that the first few investments I made in 2009 (very small dollar amounts) were really good, so I was able to raise capital to keep investing at a much larger scale with other peoples' money. I didn't have much liquidity until last year.
Takeaway 1: the easiest, lowest-risk way in the world to make a lot of money is to get fees for investing other peoples' money.
Takeaway 2: if you make money that way I think you should give a lot of it away.
Takeaway 3: FWIW this is a lot of money for me, but it's what I most want to support.
As a side note, I was pointing out that living in SV is becoming possible only if you get a job like that one, and that that's really a problem.