Chinese billionaire buys $75M mansion after browsing Zillow
The 25,000-square-foot estate was built by celebrity builder Ardie Tavangarian for his family
The duel for most expensive US home sale (and biggest commission) is underway
Husband-and-wife duo Branden and Rayni Williams, of Hilton & Hyland, represent dueling Bel Air mansions
by Teke Wiggin Jul 25