Systems and methods for facilitating an on-line purchase of at least one item on behalf of a consumer are disclosed. A consumer may shop and request purchase of at least one item on a consolidated shopping (CS) website displaying one or more items available for purchase on one or more different merchant websites. A host computer providing the CS website may access a merchant website selling the requested item, and order the requested item on behalf of the consumer, and charging a transaction fee, listing fee, receiving a rebate and/or offering a rebate for performing such. One embodiment allows a consumer to purchase/order multiple items from multiple websites in a single purchase request to the CS website.