A new free tool was posted by eBay member shipscript that scans your active listings for duplicate listing.
Tool is here
http://www.isdntek.com/ebaytools/DuplicateListings.htm
Original ebay.com topic on this is here
http://community.ebay.com/t5/Selling/Scanning-for-duplicate-listings/m-p/23939618
Read this topic for any changes to the tool and enhancements (already has been one to allow multiple ebay ids to be checked for duplicates.
PS ebay member shipscript has been posting free ebay tools for years. Here is her web site with her tools:
http://shipscript.com/
