Online auction work in simple way. All you have to do just place your bid on item that you want. If you really, really, really want to win a particular auction, you should pay attention to the last seconds of auction because many bidders bid the item at that time. And if someone else bids higher before the auction end, you’re knocked out of the game — unless you bid again.
Today, many people interested to buy item through online auction process that reduces price. If you want to try online auction, there are dozens of auction sites around the Internet, for example dealfun.com. Each online auction site have different rules and policies. But generally you should register yourself and make your own account to start bidding or listing item to sale at any online auction site. Just make sure you really understand the rule of auction before using online auction site.