> possibly have other unforseen effects
possibly? besides, as the sibling comment notes, making it impossible for anyone to rent?
a few more seconds of thought notes that it would also cause troubles for anyone inheriting a home. want to keep grandma's house until you can retire and move into it? nope, can only own one house, got to sell it off.
want to move from one city to another, but you're having troubles selling your current house? nope, just got to auction it off and take whatever you get before you're allowed to leave.