And I second Jake that getting some local stuff is going to be good, because fortunately (or unfortunately) building a good team is probably step #2 in this process.

If you have navigated a similar path, what strategies or precautions would you recommend to mitigate financial risks and ensure a smooth refinancing process?

Otherwise I would terminate (this is all dependent if the property is marketed as a duplex) What is the process of converting a single-family RM-1 to a Multifamily RM-1 (Triplex or Quadplex)From my understanding, it's only getting a use registration permit. 

I understand that the rezoning process can be difficult, but if I (as a real estate agent) happened upon a larger plot of land with dozens of acres, how much sense would it make to find a list of residential developers here in OK as well as surrounding states to market that land to? 

I'm currently writing up a PSA for an heir that hasn't gone through the probate process yet (I am hiring their probate attorney) so who knows how long that will take exactly.

Maybe before starting the process of building a rental portfolio hack your primary loans.

Like any other legitimate way to grow wealth, real estate is a slow process. 

A great book to read/listen to if you are interested in fix n' flips I'd highly recommend, that explains the process of hiring contractors, is The Book on Flipping Houses by J Scott.

I repeated the process in 1984, bought another triplex for $180K with ARV of $250K a year later, after almost 100 searches, this time partnering with my M-I-L investing $100K, with each of us contributing $50k each.

It is a very straightforward loan, very easy process.