Let’s suppose, you are planning to buy a property, thinking that the rent from that would easily cover your investment, and you shall be making money in the long run.
This NPV or Net Present Value calculator will help you determine, whether your investment is actually viable, when you take into account the concept of Time Value of Money!
An NPV>0 means that your project is viable, and NPV<0, means you should not go for the project.
DISCLAIMER: This doesn’t account for real world aspects like TAX, and other market variables.