Further, running a very quick and simple valuation based on $900 rents, 8% vacancy, 25% op exp margin, and a 9% cap rate, I'm coming up with an ARV of around $83k, so I'd pass if I were you unless you can get a much lower purchase price.

Infill is simple, but not easy.

Simple does NOT mean "easy" or pain free. 

You'll find much greater difference in $$$$$ by refining your location/rehab/vacancy strategies instead of worrying about "how much it costs to borrow money" in this environment.Nearly all of my clients are more concerned with a simple and headache-free funding process, than the "lowest rate."

Making your Airbnb stand out is all about keeping it simple and smart.

No kidding this is as simple as it gets.. just advertise that you accept shorter term leases and riase your price.. we have been doing it in Vegas for years..

I keep it simple, i do not allow pets.

If you are willing to do some work, you can force appreciation, capture some equity, which boosts rent-to-value.In terms of areas to avoid, I would stay away from the East side, particularly anything along Post road between Pendleton Pike and I-74. 

You defiantly want legal protection as stated by @Max Wilhite@Jonathan Bock is correct about keeping it simple. 

I'm just a simple yokel from the backwoods of Alabama reading about how you guys are doing things and trying to learn by doing. :)