In some embodiments, a comprehensive computer system and method (See FIGS. 1, 1a, 2) for automating and facilitating the performing and processing of tasks, information transfer, and information storage associated with the home sale (See FIG. 3a), mortgage origination (See FIG. 3b), and settlement process (See FIG. 3c), and the home mortgage refinancing origination and settlement process (See FIGS. 1b, 1c, 2a) (or performing other business processes), over a distributed computing network are disclosed. One aspect of the invention is a greatly simplified process for a home buyer to search for a home and simultaneously receive accurate and competitive bids for mortgages and services from multiple lenders and service providers. The process includes an automated underwriting process which generates complete, accurate information on the costs of buying and owning a home at very beginning of the home buying process. Another aspect of the invention is greatly automating the entire sale, loan and settlement process.