1. Issolate the seller/users account(change password and all info)
2. Make sure the the account is not up for bann/flagged stats, and CBL reports- Check youtube for reports
3. collect paypal info
4.Transfer the money
5.Make sure the seller gets his money into his acount
6.Tell the buyer then password if that you changed it to.
Baisc guide is Basic
MM will elaborate and not be a dumass