You must first register with Ebay and then sign in. Once you do that it is pretty straight forward.
Click the link to see how, under some circumstances, you can retract a bid on Ebay.
Ebay
Just bid on a item. You can pay for it if you won it.
In My Ebay under the Bidding section
Ebay
No
yes
Yes, it is free to make bids on eBay.
It does not cost to place a bid on EBay. If the time runs out and you are the winner, you will have to pay for the item.
The maximum bid on eBay is the highest amount you want to pay for example; if you want to go no higher than twenty pounds or dollars that would be your max (maximum) bid.
In order to play a bid on an item on eBay you mush have an account. Once you have an account it is very easy to place a bid on an item that you want. There are specific rules that you must follow that are stated on their webpage
Bid TV is an auction service like Ebay on which users can bid on items using their TV.