It's not a foolproof method of evaluating neighborhoods, but it's a place to start.

Is it a foolproof way to invest?

This accuracy and ability to keep simple and accurate records is because I develop my own software applications with MS Access and I develop accounting systems that are foolproof, idiot-proof and my recordkeeping systems and software has checks and balances that totally eliminate mistakes.You can do the same for 3 units with paper and Excel.

If I account for all the expenses (fingers crossed) in the calculator, then it “seems” fool proof.

Now we just have to find the fool-proof investment property so we don't lose our retirement savings!

Remember, the LLC isn’t foolproof.

@John McCardell The most foolproof way to be ready to strike in a correction is to have liquid cash.

In his materials and podcasts, @Brandon Turner discusses that he's managed all his own rental properties even when he had units on a large scale. How do you manage properties remotely if the need arises for an individ...

I will be revising our application to make it more fool-proof and will be setting rules for what dictates auto-rejection to save us time.

Storage units are not foolproof.