1. A sales system for coupling to a communications network, the sales system including: a first sales interface at a first network address; a second sales interface at a second network address; a sales server at a third network address that operates the first and second sales interfaces to present the first and second sales interfaces as operated by different entities; a first customization interface, included in the sales server, that receives a first user input to edit a first script included in a first token included in a first template that is used to generate the first sales interface, the first token defines a first set of display attributes that are used to present the first sales interface; and a second customization interface, included in the sales server, that receives a second user input to edit a second script included in a second token included in the first template that is used to generate the second sales interface, a second token defines a second set of display attributes that are used to present the second sales interface, and wherein the first sales interface is to cause the first script to execute in real time in accordance with the first set of display attributes, the second sales interface is to cause the second script to execute in real time in accordance with the second set of display attributes, the first and second tokens representing parts of the first and second sales interfaces that are customizable.