i might even ship them for free at that price....
...I guess that wouldn't be "Realistic", either.
Looks can be very deceptive.
Selling an item on eBay or Amazon for an incredibly inflated price is also one of the methods used in money laundering.
Here's an article on another of its facets - Fake books sold on Amazon could be used for money laundering
Not to say that this is, but you never know.