He's married, he has a kid, lives on the biggest private property in the known world (notice how i said known, no one really knows about the sheiks.)
The internet says:
Visitors to Bill Gates House are su.rv.ey.ed and given a microchip upon entrance. This small chip sends signals throughout the house, and a given room's temperature and other conditions will change according to preset user preferences. According to King County public records, as of 2002, the total assessed value of the property (land and house) is $113 million, and the annual property tax is just over $1 million.
According to the National Association of Home Builders, the median American house size is slightly more than 2,000 square feet. Microsoft founder William Gates III house is more than 30 times that size.
-- and yes, I was right. His house is 40,000 square feet, took seven years to build and sits on a wooded 5 acre compound.