eBay Blackthorne Pro

A more powerful software-based tool for high-volume sellers is eBay Blackthorne Pro (pages.ebay.com/blackthorne/pro.html). This program is essentially Blackthorne Basic on steroids, with many more pre- and post-auction management features. In particular, you get inventory management, sales management and reporting, bulk feedback posting, and the ability to manage consignment sales and suppliersin addition to the standard bulk listing creation and end-of-auction emails. The program, which has a high adoption rate among eBay PowerSellers, costs $24.99 per month