HammerTap is an ebay research application that lets you determine what to sell and how to generate more sales. The HammerTap services offers free webinars, research tool, profit-increasing articles, and a ten-part course of Power to Profit. It helps you do solid research and not just guesses for your business. It also covers average selling prices, average sell-through rates, effective keywords to use for your title, which category you list in, details about your competition and best starting price. HammerTap gives you foresight about trends on the market, security of knowing the market demand, power to make sound decisions and profit prowess. Power to profit is the ability to determine what your market wants and how much they are willing to pay for it, and for you to make listings of your product offers at higher price for greater profit. Ten Strategies extended by the HammerTap software are: effective listing features, best auction type, busiest hour of the day, best listing duration, optimal ending day, winning titles, most competitive category, seasonal trends, enticing start prices and successful keywords. The software is PC-based supported by other operating systems. You can run it on your Mac through Parallels of VMware fusion applications. HammerTap has a Web-based program that is simpler and will run on any operating system.