Tony Hsieh could buy a private island if he wanted to. The Zappos CEO has a reported net worth of $840 million. But Hsieh chooses to live in a Las Vegas trailer park he owns, according to a recent profile in The New York Times. The trailer park is "crammed with shiny silver Airstreams that are rented out to visiting computer coders," according to David Gelles at The Times. Hsieh lives in a trailer in the community he calls "Llamapolis" with his pet alpaca. The trailer park is part of Hsieh's $350 million investment into making Las Vegas a metropolitan...