With rates where they are, I'd expect you don't plan to be in the mortgage for more than 3–5 years (maybe less) depending on where the bond market goes. 

Narrow your focus, stop buying properties, and figure out what you actually know really well rather than letting FOMO, spreadsheet calculations on faulty pro formas, and advice of strangers on the internet influence your investment decisions. 

Cleveland would be a great market for you.

You need the backup option in case the mid-term rental market changes.Minimizing turn costs and downtime is critical.

Focus on networking with local investors, learning market trends in your new area, and deciding on a strategy that fits your goals.Good luck!

But it really depends on how good your marketing is.

I am local to the Memphis market.

But to date, I've just set my rents at a rate that accounts for me having to pay the water bill - and informed the residents that each year I'll increase the rent based upon my expenses (including water), so keeping the bill down helps me to help them.But one problem this could cause is if increasing the rent to cover the water bill then places your rent above the market rate.

Since you're focusing on Dayton and Cincinnati, you'll find plenty of opportunities in those markets.

We do them here in Phoenix market.