Having fun with a Scammer

They try to scam everything on CL. My son is selling an X-box, and got this message from some jerk in Africa.

"Hello, Thanks for your reply toward my request for your item,
i am very happy to hear that the item is still available, pleass send me a paypal invoice to enalble me make the payment as soon as possible. .i have negotiated the shipping cost from priority postal mail. and will be adding the shipping cost during payment of your the item once you get back to me . i need this item as soon as possible.
regards, david."

I e-mailed him and told him he would have to swim over and pick it up. Tim