I have to point out that I am not a CPA or an American, but I have certainly heard enough about this from what I have read and from Americans who I have met and who have experienced this first-hand. The bottom line is that, unlike Canadians, Americans are taxed on global income no matter what their residency status. 
The cost to rent a home in Portugal depends on several things such as the size of the property, whether it is furnished or not, whether it has a pool or not, and whether it is with a garage or without. It is really relative.
Expats are welcome in Panama. Expats are generally treated with respect and treated well. The US and Panama have a long lasting relationship due to the US military presence in the Panama Canal. I consider Panama to be one of the more Americanized countries in the Western Hemisphere.
There are places in Nicaragua like the little lakes where you can go kayaking and canoeing. There is a little island in the Pacific called Apoyo, located between Masaya and Granada where you will find new restaurants that are owned by foreigners that offer kayaking. You can go to the restaurant and rent a kayak for the whole day to go around the lake. From Bucket Baths and War Zones to the Cool, Beautiful Mountain Highlands of Nicaragua
January 2014, I arrived in the early afternoon in Managua airport via United Airlines. After the huge and tedious Houston Airport, the small Nicaraguan airport was a relief. Customs stamped my passport and I paid the $10 fee. I had reserved a so-called “resort” online for one night in Managua, as well as the Budget car rental. (I am deliberately omitting the name of this hotel for reasons that will become clear soon. I will say, however,...