Home renovations uncover lots of things—some good, some bad. As a house flipper you know this firsthand. So when a Wisconsin couple unearthed a hot tub hidden beneath their home office they knew there was a chance they could end up in hot water—in a good way. The presence of the hot tub did not come as a surprise to homeowners Mark and Jenny Ronsman. The home’s previous owner had given them a heads-up. “The elderly woman who sold us the house said they got older and stopped using it,” Mark said, according to Yahoo News. “So they converted it