Virtually all of this county's economy runs off of tourists and STRs, so I feel very confident in my ability to accurately project cash flow from these properties and could present comps to back up my projections. 

This allows you to capture Asheville tourists.

CA taxes residents on worldwide income but may provide a credit for taxes paid to other states.

We have been over-run with STRs in popular tourist areas and the industry is hurting.

Is the market driven by business or tourist travelers, and how much of each. 

Experiencing the limited tourist infrastructure, I can't imagine that living there would be easier than visiting.

I got over it by looking at the overall economy of my area and what businesses were coming, tourists etc.

-- That is how we started out, and many other people have repeated this idea, as we are also blessed to live in a resort area with 13 million tourists each year--making the income properties possible.

Johns river and adjacent to Welka State forest. 15 acres +/- zoned tourist commercial (allows RV park) with impressive density of 15 units per/ acre.

However, it seems to me that Koreans are taxed on their worldwide income, so you may need to declare that income again in Korea and talk to a Korea-US tax expert to see how the treaty to avoid double taxation is enforced. the alternative is to invest through an LLC and elect to make that company fiscally opaque.