A system for providing a single point of sale for transactions involving at least one of transfer of real estate, maintenance of real estate, improvement of real estate, and selection of an ancillary service, the system comprising a user interface device to allow a user to input and retrieve information specific to at least one of the transfer of real estate, the maintenance of real estate, the improvement of real estate, and the selection of the ancillary service, a database wherein information specific to at least one of the transfer of real estate, the maintenance of real estate, the improvement of real estate, and the ancillary service resides and financial information specific to the user, and real estate data specific to real estate also resides, wherein the user can use the user interface device to at least one of sell real estate, purchase real estate, secure a line of credit, use the line of credit to maintain the real estate, use the line of credit to improve the real estate, and use the line of credit to purchase the ancillary service, and wherein a user is able to obtain information about a service provider without providing user specific information.