Patent ID: 8412567

Claim:
A method of implementing an electronic commerce shopping cart, comprising: identifying one or more items selected for purchase by a user in an electronic shopping cart; calculating a subtotal associated with the one or more items selected for purchase; determining that the subtotal is less than a threshold associated with a promotional offer; identifying, using a processor, a first group of filler items available for purchase in response to determining that the subtotal is less than the threshold, wherein one or more filler items in the first group of filler items have a price that is greater than or equal to a difference between the threshold and the subtotal; presenting the first group of filler items to the user as optional items to add to the shopping cart to obtain the promotional offer; receiving an indication that the user has elected to be presented with a second group of filler items, wherein one or more filler items in the second group of filler items have a price that is greater than or equal to the difference between the threshold and the subtotal; and in response to receiving the indication, presenting the second group of filler items to the user as optional items to add to the shopping cart to obtain the promotional offer.