[Osiris]

Ebay Sniper tools give users the edge over those who do not use them. It takes just a fraction of a second to bid on an item using eBay Sniper softwares while it usually takes between 5-10 seconds if you bid on an item manually. These tools are usually configured to make a bid just a second or two before the auction ends making it impossible for manual bidders to place another bid before the auction ends.
Ebay Sniper tools have another use that makes them superior. It is possible to group items and configure the sniper tool the way that it bids to win one (or more) of the items in that group. So, if the price that you want to pay for an item was not enough to win the auction in the first attempt it might succeed by bidding on another item in that group.

The best free eBay Sniper software that I know is called Biet-O-Matic and can be downloaded from Sourceforge. It supports item groups, remote control over email, user accounts, unlimited items, adding items by article number or browsing and support of different languages.
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Ebay Sniper Homepage