I'm guessing that the devices don't talk to one another, aka realize they are paired on the same house?

In a PHA, we have had these mental cases and you need to grow a pair sometimes!

Not to mention that you are exposed to their local currencies which recently have not done too well when compared to the US dollar.

Additionally, what could happen if the currency continues to be devalued at an ever increasing rate, making it hard for our tenants en-masse to pay their rents since the bulk of their worthless cash would be going to food and energy costs. 

You just need to buy 1 critical item. 1 (honest, hard working) pair of boots on the ground.

Since you all seem to know where all the bootstraps are stored, why don't you locate a pair and go ahead and put them on. 

Foldvary observed that crashes tended to happen every 18 years in America starting when land first went for sale in 1800, 1818, 1836, 1854, 1869, 1887, 1903, 1924, none in 1942 because of WWII, 1970, 1979 due to Britton Woods currency collapse and then 1990.

but more out of a lack of options than the strength of the currency. 

If you have not paired yourself up with a real estate agent/investor to begin your journey in the Tampa Bay area, I recommend connecting with @Josh Green.

His take is that the office manager is compensated on overall sales for the office so if you call them and tell them what you want you are more likely to get paired up with a rockstar that in fact does work with investors because it is their best interest to pair people up correctly and grease the skids for more sales.