It automatically displays all of the items that you are watching in MyEbay, giving you information on each item including the time left. It will bid for you a few seconds before the end of an auction according to your instructions.
Narrowing down eBay search results to find exactly what you're looking for view it
See our 10 part series on buying and selling on eBay view it
Getting more detail on eBay sellers and auctions view it
How to bid on and win your auctions view it
Learning how to sell your stuff on eBay view it
Getting your items listed and sold on eBay view it