Every market is different to a certain degree, and has its unique perks and challenges.

We gave notice to vacate, spent $10,000 on renovations (painting, new floors, new hardware, re-glazing bathtubs and surrounds, new vanities and mirrors, new lighting) and about $5,000 on furnishing (beds, bedding, couches, TV’s, tables, kitchen supplies, and décor).

I am thinking the best course of action may be to raise the rent by 7% on Dec or Jan 1, then aggressively raise it each anniversary to catch up to market rates as recommended by @Eric Mcginn.Lesson learned the hard way!

I would also think about whether there is anything you can do to make your building unique. 

A nice sunroom feel- use a pull-out couch for an additional bed, but lots of pillows for decor or a comfy reading nook, a board game spot for people to sit and enjoy the sun (though all those windows) and play games, and maybe a Foose-ball table or air hockey, - make it usable for lots of different people that may stay there.

@Jay Hurst posted the image above, the full hit is 2.125%, 1.9% probably correlated to some nice round interest rate increment, X.25% or X.5% or whatever.So that means you're presumably getting ballpark the same rate that owner occupants get, from that lender.You could switch it up and have it fully absorbed into the rate, instead (I'm given to understand, mostly from other posts on this forum and others, that some lenders have discontinued this option -- any independent mortgage broker should still have it, though, since I still have it, and I'm not a magic unique unicorn). 

We have a unique set up of 6 units with a shared pool and common area on 3 side by side lots, so it is important that we ensure all guests are aware of the rules and respect all others on the property.

(& to all the "omg 2008 all over again" commentators, if that was going to happen, it would have happened like 10 iterations of this exact same thing ago, there's nothing super unique or special about this unicorn-of-the-day).Behind the scenes, the market has been so hot, that big banks have been unable to fulfill their community reinvestment act obligations. 

I'm connected in Columbus, Akron and Dayton as well.Let's connect so I can better understand your goals and unique situation

Our guidelines are unique in that we separate borrowers into 2 buckets: 1) Professional Owners of STRs and 2) Others.