I currently work as a Physician Assistant in an orthopedic surgery practice in Grants Pass, Oregon.I am interested in buy-and-hold rentals.

I am a 42 y/o practicing pharmacist.

I would like to move my medical practice business (LLC) into a suite of a commercial building (different LLC).

How can I improve without criticism?

Jeff Phillips comes down to risk.If you take a HELOC and something we’re to happen and you could not pay then you lose your primary residenceIf you get a regular loan and you cannot pay your not paying on that 2nd home and they take that but not your primary residenceCheck with an accountant as well as I believe with the new tax law you cannot deduct a heloc if it is not used to improve your primary residence

What you're describing is practicing real estate without being licensed. 

That's doesn't mean it's 100% safe, but it is something to consider.Disclaimer: While I’m an attorney licensed to practice in PA, I’m not your attorney.

Not very well respected & borderline illegal practices in the real estate industry.

@Daniel Moctezuma Sounds like you were wholesaling, which in many states is considered to be practicing real estate without a license - an illegal activity. 

This puts your PITI (Principal/Interest, Taxes, Insurance) at $599.28 + 337.50 + 66.67 = $1,003.45/month.I am assuming you are using the tax number from when the lot was a vacant lot with no improvement on it.