Online auction is gaining popularity year after year. In auction sniping a leading auction site will be like a marketplace wherein the sellers can sell their goods to the buyers. Small items to big items like houses can be sold in auction sniping. The array of items for sale is staggering. Auction for an item lasts for a certain period of time. Bidders can bid for the item at a price that they are willing to pay. The highest bidder has a right to purchase the item at an agreed price at the close of an auction. Most auctions generally last for one week but some for three days and others as long as 10 days or a month. If a person bids few days before the auction ends, other bidders will get a chance to bid at a higher amount. Sniping means if you bid at the close of the auction your competitors will have less time to increase the bid. You can manually snipe, but there are also automated services in which a computer automatically places your bid just seconds before the close of an auction.