You could also add a clause about your ability to terminate the lease if they cause problems in the neighborhood, don't cut the grass, etc.

You should have, or you should create an amortization table that shows the actual interest paid on the $650k mortgage for the first 6 months while you lived there.

Why not use bank debt or alternative lender debt if you don't qualify yet for bank originated debt?

I have been trying to keep an open mind while but I see a good amount of value in long-term rentals of SFH and multi family units.

You don't know, what you don't know.Bigger Pockets is a great place to find a tax accountant specializing in real estate taxation.

Interesting about the wind-down structure, I'll look into that more. some existing HMLs that don't have cooperating banks right now and probably would be glad to have it.  

If so, you need to be moving 100 miles away, or else you'll be stuck with having to qualify while absorbing both mortgage payments entirely.

My vision is to keep it a while (it’s paid off) and use the cashflow to help with my kids college.  

For liability reasons, if something should happen while renting to others, lawyers and insurance companies are very good at 1. trying to assign liability to make a claim or 2. avoid paying on one.To Your Success!

With an SDIRA, you can invest in long-term rentals while preserving your retirement savings, but you must follow strict IRS rules:1.