I've been house hacking since 2014 in a duplex that I have a 3.8 mortgage on with about $175,000 principal balance.

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.

I don't see any drawbacks but haven't ruled that out.Dave

Since you're a realtor it won't cost you much to list it, and people will pay a lot of money to get a low rate with a higher amount going to the principal than initially.

Just need to make sure the property generates enough income to cover the monthly principal, interest, taxes, insurance and HOA (if applicable).

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.

It happens that my PM uses appfolio so this works for me, but if your PM is on any of the many other platforms you'd have to figure out how to do manual downloads and uploads of your transactions, which is a bit of a drawback.

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.

Each lender has their own standards or parameters, such as draw period, FICO required, whether it is interest only or principal and interest, whether you can lock a portion of the HELOC or it is all floating interest rate, etc.

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.