The Sims 2 University?

Question

Is it possible to BUILD a rental property(with a cook and loads of oher people come and fill the rooms) speciality lots coz im bored with the ones from th game

Answer 1

You can't normally, but there's a cheat to do it (you can even make secret society buildings!). I don't remember it so open google and type:
The Sims 2 University cheat codes

Answer 2

you sure can just the lock doors.