This easy-to-learn and quick to use real estate investment software works by allowing you to enter some very basic assumptions. Once you have gone through the very brief set up process, comparing up to 20 rental properties at a time is a snap! The spreadsheet format will give you cash-on-cash returns, and IRR, which is like the interest rate on your investments, using a SIMPLE GREEN for GOOD properties and RED for BAD properties system. The properties you have entered that have the highest cash-on-cash returns and highest IRR's are typically the best prospects. So, stop searching for real estate investment software and get started investing-with Grandma`s Little Real Estate Helper!