> My guess is that it's because it's actually hard.
I'd imagine it's hard because the backing data is unreliable. Between hand typed listings and tax records, there's a lot of places for things to go off the rails if you set an algorithm loose on unmassaged RE data.
I'd imagine it's hard because the backing data is unreliable. Between hand typed listings and tax records, there's a lot of places for things to go off the rails if you set an algorithm loose on unmassaged RE data.