(1) get them to sign a contract to agree to pose every x days for a shoot.
(2) Agree to what split you will take (ie 50/50).
(3) Use decent digital camera.
You may find a
www.ProAdult.com site (or other AVS) is the best way to start.
(4) Get a decent .com name
(5) Do video clips too.
(6) I would also add other models too.
(7) Do not think you will make big cash, if you do then great.