[brock128]

First off, i'm thinking that mansions have added security - you cannot take ANYTHING in it unless you are one of the owners.

EDIT: I see what you said now - if one of the owners robbed everybody... Then it's their fault. That's like saying "Here's my password, don't do anything bad with it."

Second off, yea, you could build 20 houses, but the point is that a mansion is more of an "I have a mansion and you don't" thing.