Unless you're arbitraging between currencies, what's the point of buying any currencies? 

You need to make sure they have some form of regulatory oversight like the Office of the Comptroller of the Currency, State Division of Banking, Federal Reserve, etc.  

With a huge military and petrodollars supporting the US Dollar as the "reserve currency of the world", arguably the USD was in a bubble the last few decades.  

In terms of profit (are you focus on quantity or just a couple of big deals) and the types of properties y’all look for ? Ex

On the other hand, being an expat, you can more easily diversify across political/currency risk. 

Furthermore, as time progresses, the inflation is devaluing the currency so you are paying the loan off with cheaper money. 

And I wouldn't invest only because of the depreciated currencies.

Is the currency stable?

So for ex a duplex with an ARV 200k that you purchase for 130k, put $32,500 down, then rehab for 20k, then refinance at 75% LTV with a local credit union.

Some of the guesses are really educated and said with such certainty that you'd think they were prophecy, but in the final analysis we're all looking at the cluster cuss that is our economy, real estate market, and political hoodwinking system and wondering how these factors will play out:The ongoing COVID-19 "war"The changing political scene and their views on housing, job creators, wealth, and a bunch of other ideas that intersect with property ownership and investing.The affect of limitless moneyprinting on our currency and economyThe future of interest ratesThe inflated price of materials for building new homesEtcSo, there is no telling.