fatfingers.com: Thousands of items on eBay are listed with descriptions containing spelling mistakes. These items often expire with no bids on them as no-one can find them. Type in a keyword below and click the Find button. Then click the link and uncover those hidden gems... Use it here.

The service is available in English, German, Nederlands, Italiano and Français but works with all country specific ebay pages. I did a search for Polaroid (because I am a big sucker for Polaroid images but the films a very expensive) and instantly found a lot of bargains!