As it turns out the owner apparently had the USGS or USDA do tests on the site prior to building and they recommended not building it there as they believed sink holes or a small cave was underneath but they built it anyway. Knowing this changed my opinion of the entire situation; the guy seems to have more money than sense imo. Maybe he has learned a valuable lesson. I don't know since I've yet to talk to him about it. With several hundred acres I'm sure he can find another site to build that would work.