Billionaires are creating multi-million dollar properties on mega-ranches. Gross sales agent Robb Nelson says or now no longer it is a accurate property “Bonanza.” Used Unique York City Mayor Michael Bloomberg paid $46 million for a 4,600-acre ranch in Colorado. A 41,000-acre ranch in South Dakota is going for $37 million. It comprises 5 bedrooms, a completely outfitted gymnasium and a home theater. The ranch is furthermore a money maker with plant life, over 2,000 cattle and hundreds of untamed mustangs.