He'll probably sell lots. And more than half of people who buy it are scamming him and will initiate chargebacks.
Selling on eBay is dangerous for sellers. I call it the PayPal 51% attack. You can double your money selling bitcoins but it won't matter when more than half use Paypal to scam you.
But please run through some numbers before you write posts like this. If these auctions are for real, he's NOT doubling his money, it's going up by a factor of some 20,000,000. So he can feel extremely pleased even if 99% of his buyers issue chargebacks.