1. You dont pick, the cpu does. My buddy got troy into the big least and i think they replaced Uconn (or may have been cuse)
2. 3-4 years at most. Depending on how bad of a program you are. Terrible programs may have to take a invite to the mac or mountain west or c-usa first. then get a bcs invite a year or 2 later.
3. 12-0, 12-0, 12-0, 12-0... actually, you probably dont need to be undefeated but youll have to be getting national attention. So i would think no more than 1 or 2 losses /year.