Everyone seems to come to my place, usually to read the books as I make sure my computer is locked for everyone else. They nap in my bed, they would perform tasks that are based on NAPs (Ie, they'll scrap my paintings to make their own if Support the Creative Arts is active!)
I tried to scare them off a a vampire by biting each one, but it's no use.
Then my Sim talks to them, and lets them prank the toilets or take a shower. Are you honestly unaware that this place belongs to me?
I don't like to use the eco world for this reason.