Complex sentence: Sniping is a bidding technique used in timed online auctions where the users bid is placed in the final stages of the auction removing the ability for other bidders to place another bid before the auction ends.
Split into simpler sentences: Sniping is a bidding technique used in timed online auctions. It is the practice of placing a bid in the final stages of an auction with the aim of removing other bidders ability to place another bid before the auction ends.