Bill Gates Is Reportedly Hiding Out in His mansion at a Billionaires’ Golf Club in California That Costs $250,000 to Join Posted byKate Duffy May 12, 2021 Leave a comment on Bill Gates Is Reportedly Hiding Out in His mansion at a Billionaires’ Golf Club in California That Costs $250,000 to Join Gates was seen at the club with his daughter Jennifer Gates and her partner, a source said.