If you're looking for a good deal, you'll find one with online auction websites. Cars, jewelry, clothing, books, and much more are all available at bargain prices at these sites, with amazing variety and choice. Collectors - from Star Wars to Disney - will also appreciate these online auction websites, since it's a great way to increase your collection without breaking the bank.
GoodWill is a non-profit organization that operates retail stores to raise money for people with disabilities. Their online auction site, ShopGoodwill, is a collaborative effort from GoodWill stores all across the United States, and provides a wonderful variety of all sorts of things, from cameras to tools to sports equipment.
Instead of using cash bidding, Listia offers users "credits", and the items are all technically free. Listia users list something they don't want anymore, then other Listia users bid on it using credits they earn from referring friends or selling their own merchandise, and then the user with the most credits wins the item.