1. You get to pick your top I think it is 3. They can not guarentee that you will be working in anything you pick. I picked merchandise as my first and got it.
2. I can not remember what you are required to work, but I always signed up for overtime. I did not receive time and a half till after my 40 hrs.
3. Your free to come and go as you please.
4. Yes you can, but they have restrictions. They have to check in and out. They have time restrictions. Like check in no earlier then___ . Check out no later then.
This was back in 1999. Hope this helps a little. I am with your friends. You should do it. I was once shy at first, but the college program and Disney in general broke me of this.