Its not spam. He called the store looking for a place to sell used PC games. WaW is just a key no email that I know of. Biggest issue is if the selling person keeps the key or sells it more then once really.
Ok, sorry, you can never be to careful with posts sellling stuff these days. Especially since it was you're first post.
Best of luck Bowflexing, hope to maybe see you the the Lan in April!