I personally am using Fidelity Advisor Floating Rate Hi Income fund (FFRIX). 

Affordable income SFR property management can often be a brutal pill to swallow to one’s perception of humanity.

Applicant(s) must have current photo identification and a valid social security number.Applicant(s) monthly household income must exceed three times the rent.

They do have income limits and also have incentives to move into an area that you'd be making 80% more which would qualify you for a lower rate.

Is it to make passive income?

Are there good resources out there for folks that are new to the remote SFH rental income game that provide guidance on the less obvious risks when purchasing a rental? 

You can search online and find that many businesses and corporations are moving out towards Athens, and many residents from Atlanta are pushing out this way as well.

On the SFR stuff you can line those up very easy and I am sure the  Sub to boys can and will now figure this out to further feather their income nest with the clients  instead of a fee you will now also figure out how to take a long term participation in the deal and you could do that with a second behind the sub to loan that your clients are taking on be super simple.. just talk to an attorney and have them craft one specifically for you..

Pay it down with cash flow and W2 income?

Recognise the opportunity for rental income and property appreciation.Speak with a Mortgage specialist: Contact a mortgage specialist to discuss financing alternatives for both scenarios.