Bill Gates is stepping down from the boards of Microsoft and Berkshire Hathaway. Here's how he spends his $98 billion fortune, from a luxury-car collection to incredible real estate.

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· On Friday, Bill Gates announced via LinkedIn that he's stepping down from the two public boards he serves on: Microsoft and Berkshire Hathaway.
· Gates, who has a net worth of $98 billion, said he wants to "dedicate more time to philanthropic priorities."
· While Gates indulges in a few luxuries, they make up only a...