The server system, communicatively connected to multiple client systems via a network, facilitates at least one web page for download to the client systems, where the web page offers multiple products for purchase. Responsive to the server system detecting a particular product selection from a particular client system, the server system downloads to the particular client system a first package offer of the client selected product and at least one second product from among at least one vendor selected product at a first price at a first discounted rate for purchase of both the client selected particular product and the at least one second product. In addition, the server system includes a selectable option for replacing the first package offer in the download of the first package offer. Responsive to detecting, at the server system a user selection of the selectable option from the particular client system, the server system creates at least one alternative product package offer for purchase of both the client selected product and at least one third product from among a different set of vendor selected products. The server system downloads the alternative product package offer to the client system for selection for purchase by the user, wherein the user is enabled to select a final product package including the client selected product and at least one third product form the different set of vendor selected products at a total price having a final discounted rate.