Most of your bullet points are just starting points but the real question is how do you want it finished. 

Flexibility for New and Experienced Real Estate InvestorsWhether you’re new to real estate investing or a seasoned pro, DSCR loans offer flexibility that can benefit both types of investors.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Hard to tell from here, but your prices seem very high, although I do understand that "emergency" service during the high heat season will cost dearly...As LL, appliances, including HVAC that you have provided in working order, you need to repair or replace as needed unless local law AND your Rental Agreement state otherwise, obvious misuse/abuse excepted.

That's why we are here on BP, to gain insight and recommendations from seasoned investors.

Also in terms of collecting rent, would I need a lease agreement, and account for this during tax season.

Depending on your budget I would check out a multifamily near Clarksville (army base) or an Airbnb in Gatlinburg (year round season and 10% cap rates) 

For seasoned investors in Cincinnati, what does this realistically allow me to consider, if thinking about the BRRRR method or other strategies?

However you dodged a bullet my friend.

Especially going into the snowy season.1st floor leak is suspect for sure.