WonderLister is the most powerful bulk listing, editing, duplicating tool for eBay. You can easily create thousands of listings very easily and efficiently. Select an existing listing as a reference, duplicate it say 100 times, and all 100 listings will automatically appear in a separate folder. Then, use the editor to edit each listing individually or use bulk editing to edit in bulk. Once all your duplicated listings are ready, submit them all to eBay with a single click!