In the early 2000's I owned the highest grossing (per square foot) laundromat in Los Angeles county.  

Market OverviewThe Los Angeles retail market showed signs of stability in Q1 2024, with asking rents holding steady at $34.21 per square foot and vacancy rates remaining unchanged at 8.1%.

Google and find a cargo container group that sales One Trip or new containers. 20 foot.  

It’d be a good idea to talk to a few builders to get a better idea of costs per square foot.

Looking at an 1800 square foot four bedroom townhouse for $413k

There is a foreclosure auction on a 850 square foot house that's appraised at $330k.  

relieves some of the headache. 

They buy properties directly and passively manage properties relieving them of business risk while getting a stable cash on cash return of 15%+ per year.The hospitality sector is not a low margin business as far as STVRs go.

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.  

  $35/bundle x 4 bundles per square.  600 sq foot house + shed + overhangs, I'd overestimate the sq foot of roof at 800.