depending on the type of wash you operate. Full-service and exterior-conveyor washes need all the car washing equipment, such as the power-wash units, vacuums, dryers and a water reclamation system.

When your house is 25,000 square feet, it has room for a lot of amenities. In 2010, Gerry Chastelet, a retired tech executive, designed and built such a home on 7 acres in Weldon Spring, Missouri.