Once you have found the item you want to buy, it’s time to place a bid. As you can see in the picture, it’s a simple process with only a few choices. In this example with the Vizio 4k 50″ tv, the current price is $722.77, but we think it will drop to $650 (keep in mind that this bid price does not include tax and shipping costs). We are only buying one tv, and we want to leave the bid open for 31 days. The duration is optional and will be left open “GTC” (Good ’til Cancelled) if you do not enter a number of days. Once you have set your bid parameters, then just hit Place Bid and ShadowBid will begin tracking the product for you. When the price drops, you win!