The invention broadly comprises a computer-based method for tracking Internet-related revenue, including : recording, in an Internet-based system, a sign obtained from a business entity; correlating a first item purchased through the system with the sign; and compensating the business entity for the purchase of the first item. The registering, correlating, and compensating are performed by at least one specially programmed general-purpose computer. In some aspects, the sign is regarding an offer to sell a second item. In some aspects, the second item is real estate. The invention further broadly comprises a computer-based system for tracking Internet-related revenue, including : registration, posting, tracking, and assignment elements to : register, in an Internet-based system, a sign advertising an item for sale, obtained from a retail establishment; post the item in the system; track revenue from the system in response to the posting; and assign a portion of the revenue to the retail establishment, respectively.