Abstract: The invention provides systems and methods for assisting the buying and selling of properties. The invention serves as a single point of contact for sellers, buyers, negotiators and third party service providers in the real estate market, offering a forum for identifying needs, presenting solutions and accessing a suite of real estate tools and services. An application architecture preferably includes resource applications, transaction applications, appointment management applications, advertising applications, and operations applications. A technical architecture preferably includes hardware that supports the application architecture, such as web servers serving web pages that serve as an online interface between the application architecture and the users.