The problem is mainly a concern for people with a net worth or reasonable income. 

Tools like this helped us determine that retiring in the Memphis Metro area was good for us and has helped form our investing strategy, mainly SFR and some commercial spaces (flex, studios, small office).

Not the intention, just being very direct here: I am not going to show those numbers for 2 reasons.1) if I did ( and I would blow you away if I did), it would only cause people to misunderstand what I am trying to teach and 2) I don't have to show you or anyone anything.

While I don't want to focus on doing this as my main source of income (I still mainly want to do fix & flips and contract assignments), I wouldn't mind trying it, just to see if it's something that could work for me.  

The strategy I'm following for my first house hack is to acquire a multifamily property (duplex, triplex, quadplex) or SFH w/ an ADU (or potential for an ADU) as I am mainly looking to simultaneously acquire my first property and subsidize my mortgage payment.

If they think your intent was to live in your home only 6 months, they may go after you. 

I ended up closing on a duplex house this week with the intent to rehab the whole place.

OKC has alot of opportunity mainly because of its low level of enforcement of housing codes, strong landlord laws and conservative judges in eviction court.

As far as I know, your assumptions about the tax implications are correct for non residents, it was one of the main factors that stopped the idea of investing in Spain for me.

1 is mainly on the population.  2 is on the existing units.