Some recent dog health care auctions on eBay:

dog breed book IRISH WOLFHOUNDS history/care/health
US $2.96
End Date: Wednesday Feb-08-2012 16:28:08 PST
Buy It Now for only: US $2.96
Buy it now | Add to watch list

"Nutri-Vit" Hip & Joint Plus for Small Dogs, Joint Health care, 100 chewables
US $9.99 (0 Bid)
End Date: Wednesday Feb-08-2012 16:59:11 PST
Bid now | Add to watch list