It was maintained on outside but a fair amount of junk. 

This means, effectively that there is no 'fair' way to split up the cost of the energy delivered for the locomotive method of 'moving' that air or water/glycol mix.The other main hurdle here is that heat losses as the air or water/glycol etc mix is traveling are significant. 

Quote from @Joe Mills: You are exempt if you meet one of the following requirements:Owner-occupied buildings Properties with four units or fewer that are owned and lived in by the ownerSingle-family homes Homes that are sold or rented without a broker by the owner, as long as the owner doesn't own more than three at onceIf those don't apply, then you must abide by Fair Housing and you must make reasonable accommodations for people with assistance animals.

should allow you to save for your second deal fairly quickly.Full disclosure: I run a turnkey operation based out of Birmingham, AL—happy to point you in the right direction and answer any questions that come up!

The math is fairly straightforward for low down buyers!

Thought it was priced fairly so paid asking price.

I believe my price is fair with the comps in the area.

As a fairly-newish-to-the-game investor around your age, I appreciate the candor.  

In order to avoid wasting time on a bunch of individual showings with unqualified applicants, perhaps consider doing what I do and host “open house” style showing windows. 

Right now the demand from tenants is concentrated at the higher end of the market, but I agree eventually it'll be fairly ubiquitous.