A recent South Carolina house listing on Zillow says that the home comes with a mystery occupant who lives there rent-free, and says, quote, "don't bother asking" about the person. The listing for the two-bedroom home in the town of Cayce, which also comes with a separate cottage, says: "Upstairs apartment cannot be shown under any circumstances. Buyer assumes responsibility for the month-to-month tenancy in the upstairs apartment. Occupant has never paid, and no security deposit is being held, but there is a lease in place. (Yes, it does not make sense, please don't bother asking.)" The property is being sold as-is for $130,000, with no repairs or clean-up, after last being sold in 1997. Local station KTVU may have solved the mystery, however, saying that an older HotPad.com listing said a professional artist lives in the upstairs