Over the past 3 years I have been spending about 6 months a year in the USA; enough time to make me a US tax resident because I meet the "substantial presence test". 

The main hazard is the presence of black mold. 

.#6 Commercial BuildingsThe commercial real estate consists of properties the owner rents out to businesses, which includes “mixed-use” buildings.Many benefits of investing in the commercial real estate are similar to the residential real estate, although additional benefits include: Potentially higher income.Building professional relationships via a public presence, such as owning an arena in a large city.Advantageous lease terms, such as triple net leases.

We don't have a presence right now in Astoria.

I think my presence on city council would be a welcome outsiders voice," Poeppelmeier said.Aubrey Hornsby, another local realtor, announced a city council bid.He says he is also frustrated with how things have been handled between the city and its residents.He feels like they don't have a voice and he's hoping to change that.

I would avoid all the above markets you mentioned and head for a true vacation market that is driven by tourism with a low hotel presence and a strong STR presence 

Was local presence to you important?  

It's more than just the equipment you have but the knowledge of how to use it properly and how to compose the best shots/angles.  

As we all know a digital media presence can have a large monetary value as we see in Twalue, or in the sales of domain names.  

I'm Joseph and my wife is Monique and we will be going back and forth from the west coast (LA and Baja, Mx) to San Antonio over the next year because we are part of the tricentennial celebrations that you will be having in 2018 (I'm composing an opera).