Elon Musk also receives crazy subsidies from the US taxpayer. His company better prosper because a lot if it isn't his own money.

http://www.latimes.com/business/la-fi-hy-musk-subsidies-20150531-story.html

Don't get me wrong, I respect a lot of what he does, but must be nice to do it with other peoples money. Wish I had that luxury.