Welcome to your Real Estate Decision Support System for Residential, Commercial, Investors and Property Owners. If you are a realtor, a real estate student, an investor, a buyer, a real estate owner, a seller or you just want to know about real estate then this is what you are looking for. You may be considering buying a house, a rental house or any type of real estate – it can answer those questions that are always asked – how much does it cost? how much can I save? can I afford it? You will want and need this application. You won’t believe what comes with the application.