I wouldn't pay the $5.00 especially with his account not verified, I don't care about buyer protection on PayPal, it's still a hassle to get your money back if this seller doesn't ship the game.
If you scroll down to the left side bottom of your webpage you will see "Account Settings." Click on the "Verify Your Account" link. It's simple to do. You'll also be able to link your Facebook and Twitter accounts to Listia and earn 20 credits a day by posting other members auctions to your Facebook wall and Twitter tweets. Those credits really add up fast too.