I just bought a couple of Marc Jacobs bags to put on eBay. I got them on sale and from the Saks outlet so I did get them for a good price which I am passing on to a buyer. I listed the bag yesterday and this morning the same bag in a different color is for sale for 1/2 of what I paid. How is that possible?? The seller has a lot of feedback and the auction says new and authentic. I can't imagine the seller is just taking a loss. How do they get them so cheap???