I think it's a novel way to raise money for their adoption. More power to them.
I know that eBay is kinda picky about what they allow. A friend of mind auctioned a KC Chiefs pad of post-it notes on eBay for several hundred dollars. Why did he get so much? Because the winning bidder got a pair of ticket to a Chiefs game

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I did hear that this couple moved thier auction to a different bidding site. Should be a good game this weekend -
Go Blue!!!