You could buy your own home and then convert a detached garage, large shed, barn, or build your own small dwelling on the property and rent that out. 

You also have to decide how to weight all of the factors.  

If you're an uber-nerd like me, you need to pull the different data sets out for different metrics, and cross reference the data based on geographies...but that's a topic for another time, (and likely just for data nerds like me).In the end, we were able to pull various data sets that shed light on various areas.  

I'd like to discuss your situation and possibly shed some light!

I would look into a fiber/cement fascia product similar to James Hardie, this product is incredibly durable but also can be difficult to install due to its weight and fragility - it is very brittle and requires a special blade to cut. 

I have been searching information regarding obtaining a mortgage loan for such an international purchase, but my efforts have yielded limited results.I appreciate your assistance in shedding light on this matter.Thank you.

Hey Joseph,I deal strictly with the construction loan (Hard/Private Money) side so I can shed some light on possible terms/ expectation but Given your strong ties with your local bank, it would be wise to consult a loan officer for tailored advice.

Or possibly even putting a large shed on the property and insulating it and wiring it up and using that as my unit.

Anyone have experience with both housing authorities that can shed some light on the pros and cons of each?

Attorney or Public Adjuster may both be able to shed light on the question of coverage.