User blog comment:Robowza/Sims on their own (The Sims 3)/@comment-1692461-20100315010750

1. No, they will not make their own house. 2. They will not buy themselves furniture, but they wouldn't get a house anyways. If they get an apartment or move into a dorm, they'll automatically be given furniture. 3. You can change the lots for those places (i.e. you can bulldoze a house then add a new one), and if you want to change the size of a lot, or where the lot is, you can use Create a Sim.