There are TWO steps to becoming a rep:
1. Register for the Back Office here https://ost.postaffiliatepro.com/affiliates/signup.php#SignupForm
Approval for the back office is done manually, please allow up to 24 hours for this to occur.
2. Purchase the replicated website http://www.ooohshinythings.com/Replicated-Website-For-Reps-Only_c_34.html
After you have been approved you can go to http://www.ooohshinythings.com/Back-Office-Walkthru_ep_69-1.html to learn how to set up your new back office.