These guys are in a tough spot, sort of adding icing on top of what the real data is: the listings themselves. However, that information is tightly guarded by R

These guys are in a tough spot, sort of adding icing on top of what the real data is: the listings themselves. However, that information is tightly guarded by Realtor brokerages often, and it is curious how that isn't seen as an unfair trust or monopoly situation.