When deciding to buy real estate for an investment there are many factors to take into consideration including location, building style, age, current market conditions and rental yield.
Most of these can be difficult to quantify but the rental yield doesn't need to be.
This app gives a very quick way to calculate the rental return for a real estate investment property to help you decide how much you are prepared to offer or bid up to at an auction and at what point you would be happy to let it go to the next highest bidder.

Variables you can enter in to the app include:
•Purchase Price
•Rental Expectation
•Owners Corporation Fees
•Council Rates
•Water Rates
•Maintenance Expenses
•Agent Management Fees

All these should figures you should be available from the agent managing the sale of the property and will help you make an informed decision about your potential investment.