Terapeak the online software and market research tools, have a great piece of software available which can boost your Ebay sales, using market research on Ebay items which includes, Ebay analysis, research your competition, know when to sell, category trends, trends, top sellers, top categories, title builder and reports, international reports, seller research, keyword research, hot products, title builder, and more. This is a groovy market research tool for getting into the nitty gritty of Ebay and helping to increase sales, some people are reporting increases of up to 80%.