Stop bad bidders in their tracks! With BidderBlock, you can create a list of eBay users who will be blocked from bidding on your items. This list is easily managed, and can be saved and shared with others. BidderBlock is part of the HammerTap studio, featuring the original eBay market research tool. With HammerTap, you can search a specific product, category or seller to find ways to power up your auctions and make more money.

For either a product or category, you can find the optimal ending day for your best chances of selling and increasing profit and you can choose the most effective listing duration that will give your listing the perfect amount of exposure. You can also set just the right starting price to create a bidding frenzy and create more compelling titles using keywords that hook higher-paying buyers.

With HammerTap, you can know which listing features are making you money, and which ones are costing you profits on unnecessary listing fees. Beat the competition by researching specific sellers and making your listings more profitable. Keep an eye on market trends using HammerTap's exclusive YearAgo Trending analysis. Know how to prepare your inventory for seasonal and holiday trends. HammerTap takes away all the guesswork, and helps you power-up your auctions to increase sales and maximize profits. Get HammerTap and get the Power to Profit today!