Auctionzip is just a marketing service used by thousands of auctioneers throughout the country. Saying everything you see on auctiozip is bogus is like saying ever seller on Ebay is a crook. It's just silly. Look at the reputation (or investigate it) of the seller in question, like this guy:
https://www.auctionzip.com/Listings/3230184.html
Also Auctionzip has recently started offering a platform for auctioneers to sell online and/or simulcast, but auctionzip does not buy or sell items.
EDIT: This is in no way an endorsement of the Ruth in question, just making a point about the comments on the service auctionzip provides.