Billionaires are rising multi-million buck properties on mega-ranches. Gross sales agent Robb Nelson says it is a accurate property “Bonanza.” Dilapidated New York City Mayor Michael Bloomberg paid $46 million for a 4,600-acre ranch in Colorado. A 41,000-acre ranch in South Dakota goes for $37 million. It involves five bedrooms, a utterly geared up gym and a dwelling theater. The ranch is additionally a cash maker with crops, over 2,000 cattle and hundreds of wild mustangs.