Software as a service (SAAS) services, namely, hosting software for use by others for real estate asset valuation, portfolio management, financial analysis and budgeting of real estate investments, real estate transactions analysis, evaluation of market risks in connection with the management of real estate investment portfolios, analysis of the management of real estate investment portfolios, analysis and calculation of financial aspects of real estate leasing strategies for forecasting real estate asset and real estate cash flows for the calculation of real estate investment values and returns, aggregation of real estate market and property data for use in data mining and data pooling, providing real time operation data in connection with the management of real estate investments, and transmitting such data between and among users thereof for real estate benchmarking and attribution for measuring performance of key industry benchmarks to identify key actions