My parents "decided" to move in with me 7 months ago!...and it bothers me, HELP!?

it's YOUR place, right? that being said, YOU decide what stays and what goes. i'm not saying go all crazy on them and start throwing all their stuff out, or throwing the fact that you took them in up in their faces. maybe help them out with the business (if possible). it seems like you're the parent now, and any good parents have rules about what's to be expected. just make a list of the things they do that bother you and actually show it to them. don't do it in a way as to upset them or anything, just say "hey, this is making me really uncomfortable, and here's what you can do to help..."