Personally I disagree. You get some economy of scale the more people you rent with, because at any given time a lot of people will be out and about or in their

Personally I disagree. You get some economy of scale the more people you rent with, because at any given time a lot of people will be out and about or in their rooms. So each individual gets to enjoy a lot more of the shared area (except maybe the kitchen; there are probably enough bathrooms and it's not hard to figure out how to share those). I'm thinking about things like patios/yards, living rooms, home theaters, exercise rooms.