Abstract: A system for defining products and billing for the same includes a server and an associated database. The server has programming to provide an interactive wizard which is used define and modify: a first data set including data indicative of a plurality of products to be offered to a customer; a second data set including data indicative of product bundles including selected ones of the plurality of products to be offered to a customer; a third data set including data indicative of prices associated with the plurality of products and product bundles; a fourth data set including data indicative of how the plurality of products and product bundles are to be billed to a customer; and a fifth data set including data indicative of how the plurality of products and product bundles are offered to a customer for purchase. The database stores the data sets and a mapping therebetween.