landlords and property managers buy Mortgage Cash Flow Analyzer software at discounted prices by joining The American Apartment Owners Association. This cash flow analyzer serves as a powerful mortgage calculator that computes such items as your monthly payment, amortization schedules, interest, etc., it is so much more than a common mortgage calculator. The retail prices of this software is about $24.95 but you can get a huge discount to use it if you join The American Apartment Owners Association.