Microsoft founder Bill Gates one of the richest men in the world is known for his charity and simplistic lifestyle and has donated a major portion of his wealth to charitable causes. However there is one property he cherishes more than anything-- Xanadu 2.0 Bill Gates lakefront mansion home on Lake Washington-- which he refuses to sell or downsize under any circumstances. Heres why. Why Bill Gates cherishes Xanadu 2.0? In multiple interviews Bill Gates has revealed that he doesnt consider lakefront mansion as a just a house but a private space full of old memories technological innovations of that time and family heritage. The 69-year-old Microsoft co-founder says he feels a deep emotional connection to the house he spent years building even though he is divorced and does not have any kids at home. Gates revealed that he isnt the least bit interested in downsizing or renovating the Xanadu 2.0 mansion and even upgrading its interiors because of what the famous mansion means to him at a personal level. The tech billionaire also revealed that his kids would often visit the lakefront mansion making it a central family space. How much the Xanadu 2.0 worth? According to details Bill Gates purchased the property for $2 million in 1988 and spent about $63 million over seven years to transform the house into a technological and architectural marvel. Currently the Xanadu 2.0 is estimated to be worth over $130 million. The ultra luxurious estate built on a hill is spread over 66000 square feet and exemplifies Gates lifestyle values. and desire for privacy in a relaxed atmosphere surrounded by family and nature. The sprawling mansion features a swimming pool and a 2500 square foot fitness center with a sauna steam room and a 20-foot trampoline room.