I have no clue how Guyana's currency fluctuates so I can't help there.

And because Puerto Rico uses the U.S. dollar, there is minimal currency risk.Tax incentives:In 2012, Puerto Rico introduced a series of tax loopholes to lure investors and businesses.

For ex. 

One of the communities I managed was 80% absentee owners from the UK, and with the associated currency value drop, I'm sure they are very concerned right now.Locally we really don't expect to see much influence, unless that specific condo is heavily involved with UK tenants, at which point it might be wise to advertise to other renters.You have some historical numbers, so continue to review the current performance against the past.  

For ex, properties must have at least 40% equity, in a specific zip code, owner owned the house for 5 years +...

Our currency is not backed by a standard, so the fact that our government is going to print more money in order to accommodate the bail out plans will push our inflation through the roof.

Fiat currencies always end this way and so will ours.

You also have currency considerations whereby the canadian dollar has slide dramatically over the past years.

I would not have bought in Clinton Hill, Bed-Stuy, Ditmas Park, Windsor Terrace, all in Brooklyn.I would never have seen rents and appreciations which moved up 5 times the purchase price, 10 times the purchase price, etc.I would not be purchasing MORE investments, this time at $2 Million for a multi-family.If you really want to Invest in these higher appreciation areas, you should really put some thoughts into the Future Financial Maths, the Pro-Forma 10 year Projection Business Plans, the Economic activities in the areas, the cycle that I described above, and for international cities like NYC and SF, global fluctuations in Currency risks as foreign money moves from higher risky international areas (think Venezuela in today's current economic news) to less risky International cities.Just some food for thought!

Moreover, the risk of investing in Colombia is much higher, including the political and currency risks, the lack of knowledge of the local laws and of a local presence, ....