But at least some other Airlines are coming to town and that will improve once the economic impact of these business relocations & expansions are felt.

Do you know something about your area that indicates it will improve?  

I highly recommend a Profile picture! 

I've spent $5,000 on repairs/replacements/improvements.

I would add you to my list so I can let you know when some great rehab flip deals are available but you have no contact info on your profile.

You can see state requirements HEREAccording to your profile, you have no experience in real estate or property management.

I'm focusing on learning as much as I can, while I save up and improve my credit.

With that being said, don't immediately make changes if you don't see results immediately... however if the ROI is consistently low, then you should be figuring out a way to improve the marketing.  

I bought my first property cash ($45K) and put ($15K) into it for improvements (new kitchen, appliances, paint, turning the attic into a 3rd bedroom among other things).

You want to be really careful to not over improve, but if you can get them looking a little nicer than the surrounding properties, you can attract better tenants.