Intel is a great example, who is building the largest chip manufacturing plant in the US right here, and it will be a $20 billion dollar investment that brings a few new thousand jobs.https://www.dispatch.com/story/business/2022/01/21/intel-ohio-building-computer-chip-factories-licking-county-jersey-township/9173472002/ Another example of economic growth is the upcoming Ohio State University Wexner Medical Center Inpatient Hospital which is a 1.9million square foot hospital that will bring over 800 new beds and a thousand new jobs. https://abc6onyourside.com/news/local/new-osu-hospital-expected-to-transform-health-careHere are a few more recent investments https://www.10tv.com/article/money/business/hydrogen-power-company-hyperion-bringing-700-jobs-to-columbus/530-25907aab-5517-4661-a9f3-d2ed2d5be6b0 https://news.wosu.org/news/2022-02-08/rumpke-to-build-50-million-recycling-facility-in-columbus Check out The Complete Guide to the Columbus, Ohio Real Estate Market which goes through the Columbus, Ohio market in depth and will give you a better scope of where the highest levels of growth are taking place and where to look to invest.

I'll foot stomp the trust piece mentioned by @Adam Bartomeo. 

Also is your $300 a foot all in with land to turn key?

I get MTR leads from Airbnb and do bookings through the airbnb platform.I use apartments.com to manage my Long term tenants and collect rent.What do I need to keep in mind for starting off on the right foot for book keeping?

Like putting in flooring is probably 1.50 to $2 a square foot for labor, and you can start to learn all these rules of thumb for all the trades.

Warren buffet used to say why jump over 1 foot hurdles when you can jump over 1 inch hurdles?

If you're thinking about turning your garage into a bedroom with a bathroom to make some extra cash, here’s the scoop based on my 20 years of experience: You'll need to budget for design and engineering costs, which typically run between $2 to $3 per square foot of your total property area, not just the garage.

Would it be helpful to connect with a local realtor that specializes in selling duplexes and their respective rents/ price per square foot?

And since this is an old house you will probably need to underpin the footings at the same time.  

I bought a house for 325k last year, a comp renovated 10 doors down is up for 540,000. 3/2 same as mine, 300 square foot bigger.