Because they have found it a time suck, a brain drain, stress factory that takes away from everything else in there life including scaling and to time leverage is worth it's weight in gold. 

In Reno, NV the Tesla factory and building of the Tesla Semi-truck factory has been bringing more, construction, executives and engineers to the area for 1-8 weeks. 

Volatility, election chaos, that is #1 factor I see holding things back, not interest rates anymore. 

The key factor is physical presence, which, as you mentioned, requires being in the U.S. for at least 183 days during the calendar year.However, it’s essential to note that the substantial presence rule can apply to foreign property owners who spend extended time in the U.S.

Regional hospital in Denison, Two huge casinos in Oklahoma and a number of smaller ones, Four TI chip plants under construction, and they already have a plant there now, but not sure what it makes, Tyson foods factory (I think chicken), airport that I would think gets some cargo service (but no passenger service yet). 

Another big factor is which state the property is located. 

My dad actually worked at that Studebaker factory. 

The biggest qualifying factor is positive cashflow.

This seems like a potentially profitable strategy given that the factory is supposed to employ 6500 people with good salaries.  

However only you know your current financial situation to determine this factor. I