A U.S. expatriate couple — Costa Rica residents since reluctantly moving from their beloved California in 2009 because of Great Recession financial reverses — relate what they’ve learned about the joys and challenges of “la pura vida” since a 2011 YouTube video on their early experience. (Available at .) Here are tips for those contemplating moving to the peaceful, biodiverse Central American republic, as 70,000 gringo expats have done. These Californians happen to be Democrats. They have many Republican expat friends, but there is a glancing reference to President Trump that has attracted bitter comments from a few conservative viewers. As creator of this video, I intend no political messages — other than respect for everybody’s freedom of speech and a plea for civility on YouTube.