It’s vital that you understand that the GIM is not a substitute for in-depth research. It doesn’t include operating expenses, so it will not be completely accurate.
The formula is simply a way to estimate a rental property value at a glance. With the gross income multiplier results, you can decide whether you want to do more research or pass on a deal.
Imagine that you’re researching properties in the area where you want to invest. You can use the formula to easily figure out the gross income multiplier of various homes on the market.