I suspect it was two or more months on 1 bill in addition to what we pay for common areas.

There is some additional information that wasn't mentioned in your post above which sheds a different light on the situation.  1.

There are cheaper one’s in D/F areas but I would be careful as those can create a laundry list of additional issues.

I’m in the San Diego area and my husband and I are adding 2 additional rental units to our property. 

Creating a catalogue of info and answers for the general benefit of those in the future in addition to the poster.

I think we may see a return of bonus depreciation, but I doubt that it'd come without a cap of $1-2m, and a repeal of Sec. 179.

Although he is a banker, he thinks having the ability to operate as a broker and place loans with 30+ other lenders, in addition to his bank, is the "best setup."

If you feel ambitious, you could try a BRRR strategy adding additional equity to the subject home and then taking equity out of it to pay off either the HELOC or if you decided to the refinance the primary residence. 

A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.I would also recommend looking for a accountant willing to work with you throughout the year.

In addition, the PM is running a business and insurance (GL and WC) costs money.