Regardless of legal nuances, I can tell you from extensive professional experience: Don will WIN an IRS audit for his Subject-to interest, as long as he can show that he made the payments.

@Daniel MadhavapallilYou should hire a tax professional. 

Quote from @Jared Haxton: Hi BP Community,I own a 2-bed/2-bath condo in Prescott, AZ (near Embry-Riddle Aeronautical University, hospitals, and medical facilities), and I’m exploring selling it via seller financing.

And feel you'll have more options / strategies to explore with a tri or quad plex in the long range.

The best way for you to figure this out is visit the platforms and explore their free trial (if offered).

Explore furnishing it as a medium term rental maybe. 

It may be worth having an experienced professional helping you and you could always try to get the seller to pay your agent’s fees.

Readers should seek professional advice.

Instead, you could explore pulling equity out through a home equity line of credit (HELOC) or a cash-out refinance.

.- That management company has vetted possible tenants through their professional screening process and have selected the most qualified tenant for the property.- The management company offers a hands-off approach including coordinating and managing repairs, getting the property rent ready after a move out and placing a tenant from a pool of applicants that may be waiting for a property to be ready.