Originally Posted by Cyberium

Depends on where your buying it from. Are you buying it off Ebay? Check out the seller's ratings and feedback. If that looks good, always use Paypal. Paypal will back you up and refund your money if things don't work out the way they are supposed to.

If your buying off the forum, again... do some research. How long has the person been a member? Has he/she sold anything before? If so, find out who and ask how the sale went.