Applying those principle, focus your energy on doing the preventative things on a day to day basis that reduces the risk of claims from occurring in the first place  (siginign vendor agreeements /collecting insurance certificates) and carry appropriate levels of insurance.

Increased investment and job creation in some sectors indicate economic progress, however, the long-term sustainability of these efforts remains uncertain. 

Both rental income and property valuation can be impacted by variables such as employment growth, population trends, and economic stability.Have a clear exit strategy.

I recommend looking into areas near economic bases - close to Nationwide Children’s Hospital, Ohio State Campus, New Albany, etc.

Unfortunately, the bond market is also sending out warning signals, further exacerbating the economic unease.When bond yields invert, with long-term rates dropping below short-term rates, it often signals a looming recession.

If you want to self-manage, then you should have the time, energy, and competence to make your own investments. 

I'd buy a multi-family property that cash flows in an appreciating market with a growing economic base, like Columbus, Ohio.

I tried to get an idea of heating cost from Consumer Energy, however with no luck. 

This covers local laws, property valuations, rental prices, and economic trends.Consider your financial situation and your budget.

Answer - you openly admit you've spent your time and energy to educate yourself.