Richlister plans world most expensive $1 7 billion home realestate.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from realestate.com.au Daily Mail and Mail on Sunday newspapers.
The Citadel CEO is building a 50,000-square-foot mansion on 25 oceanfront acres in South Florida. It is expected to be worth $1 billion when completed.