Also, added smart-deadbolt locks to each bedroom for extra security in house-hack situation.What was the outcome?

If we had gone with more optimistic assumptions then it would have been a very disappointing year financially at least.Every market is unique. 

What was the outcome?

That seems to be extremely unique in today's environment.But if you're looking for more tenant stability, some of the options you listed might be a better fit. and don't see it talked about a ton here (that may be a good thing)

Mobile home parks often have unique challenges and opportunities, and it’d be great to hear how you’re approaching this one.If you’re open to sharing more about how you found the deal or approached the seller, that would be valuable for others looking to break into mobile home park investments as well.

In general I am anti-arbitrage but for something so unique it may make sense. 

However, I’m increasingly excited about starting a unique stays/glamping business.

There's a world of possibilities out there, and each one offers unique benefits.You might find that single-family homes are readily available and could be easier to manage or sell if the need arises.

Living and working overseas can present unique challenges when it comes to securing financing, but there are definitely loan options designed for situations like yours.

What was the outcome?