Tax free rental income (most of the time after depreciation.)Debt payoffBusiness write offs including your cell service/phone, computer, internet, etcAccumulated “phantom losses” from depreciation to use against future gainsTax advantaged Inflation hedgeCan be borrowed against Allows you to sell your primary tax free and move in to your beachfront rentalCan be passed on to heirs with no taxes due. 

Talk to it while you are in the car and drive or access on your computer

This is something you’ll want to plan for well in advance, understanding the timing, basis step-ups, and ownership structure, and making sure it's properly set up by the person passing it on.

@John McNeal I tried using QBO personally for several years.

So far, this year I've bought a computer, membership to BP, and software for the computer.

Ultimately this strategy is a personal decision.

Does not get reported on your personal credit history.

Traditional IRA funds generally can’t be used for a property you personally occupy, even in a house-hack scenario.

You are not going to learn that behind a computer screen.

I would buy there for that reason alone personally.