Miami - prices have dropped and the dollar is low, on the plus side.

Insurance can be prohibitive due to hurricanes - beware agents will tell you thier patch is never affected.
Land is difficult. I investigateg the Bahamas but the issues are many and unpredictable. There is shed loads of land out there and much of it will never be in demand as the utilities and roads wont be built. Also as sea levels rise, low lying plots will become worthless. Elivated plots only I suggest.

Renting restictions apply in some parts.

As for making 3 x your investment in Romainia well done. Uusally people make these claims and then you find they have'nt actually sold thier investment, and in reality they have made no money time you factor in all the costs TO INCLUDE LOSS OF INTEREST ON THE MONEY USED THAT OTHERWISE COULD HAVE REMAINED IN A SAVINGS ACCOUNT.

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Been investing abroad a few years. Always amazed people invest in places that produce just a few months rent per year