Photo Illustration by Elizabeth Brockway/The Daily Beast/Getty/ReutersWinnetka, Illinois, is a cocoon of wealth, where lakeside homes can fetch $12 million, parking lots teem with Land Rovers and Teslas, and comparatively poor households still might earn $225,000 per year. But even here, in America’s ninth-richest town, locals are astonished, even appalled, at the way a billionaire is splashing out.Since 2020, private equity mogul Justin Ishbia—a co-owner of the Phoenix Suns—has acquired four pr