Froogle:
Developed by Google, Inc. One of the most promising price comparison sites to date.
BizRate:
One of the largest price search sites. Over 30 million products listed.
Shopping.com:
Child of Dealtime and Epinions, now merged to provide you with three shopping search engines that feature your products separately, yet the same.
Yahoo Shopping:
Complete Yahoo Shopping data feed creation and maintenance solutions.
MSN Shopping:
Complete MSN Shopping data feed creation and maintenance solutions.
NexTag Shopping:
Complete NexTag data feed creation and maintenance solutions.
PriceGrabber Shopping:
Complete PriceGrabber data feed creation and maintenance solutions.
InterNet's Baseball Card Store
Baseball, football, basketball, and hockey cards for sale and auction.
Baseball Planet Sportscard
Live online sports trading card auctions with wholesale minimums and no reserves.
Amy's Auctions
Interactive, no minimum bid sports cards auctions.
Sports Collective Auctions
Sports collectible auctions featuring football, baseball, basketball, and hockey trading cards.