Case in point, this home in Parma, Idaho, that features a full-scale motocross track and oh so much more. But, honestly, it feels like this was a bargain given its $3.5 million asking price.

That all changed within the last year or two, when a man bought a large piece of property close to her home and built a large dirt bike track on it. “It’s like bumblebees or hornets all the ...