I get a headache trying to keep track of sims on two levels so I build ground floor homes. Unfortunately, I'm new to building, too. They are more like boxes at the moment. Does anyone have any tips about layout, making the building more interesting, or just general things?
Also, is it possible to have two different types of roofs? I've got a Da Vinci wannabe sim and I've built him a studio outside the main house (complete with shower) - just in case it/he catches fire - I'd like to put a flat roof on it, and a hipped roof on the house.