Bidding starts with a predetermined opening bid amount.  

Buyers place subsequent bids, increasing the price.
The price increase for each bid is based on the current bid amount and bids increase in higher increments as the price goes up.

When a new high bid is recognized, the viewing time for that item is extended by a few seconds.

The final winning bid is the price at which the item will be sold. There may be an additional shipping price, which is indicated on each listing. 

The button next to any item shows the bidding status: 

Scroll up and down the page to view more items. 

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Last updated Oct 12, 2017 01:56PM PDT.