Hospitals, plants or factories, anything that will be bringing people into the area for years to come.

He has however since planted a garden, parked, cars, trailers, and has a small utility shed on my property I bought.

Also, make sure plant foliage is cut away from any siding and don't allow tenants to stack wood or junk against the house. :-)

As the Chinese proverb says, “The best time to plant a tree was 20 years ago.

They can even ask friends to water plants while deployed or stop and feed the cat while the tenant is spending a night at the casino.

@Cecilia Arnulphi Welcome.You really need some money yourself, for any kind of credibility, start saving.Ever hear - The best time to plant a needed tree is 20 years ago, second best time to plant is today!

Trim hedges, mow lawns, plant flowers and haul away any junk from the yard.

Hello, I have a tenant possibly growing “plants” in the basement.

Right now I'd rather plant a ton of seeds (buy houses an build equity) so that later down the road I can harvest them if I need to (sell them or dip into their equity). 

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.