Here’s how to retire abroad — without any tax surprises - CNBC

Flight ticket to Costa Rica? Check. Sunglasses? Check. Tax forms in order: Not so much. Here's how to clean up your financial act so you don't lose your shirt on U.S. and foreign taxes. ....
https://www.cnbc.com/2018/04/21/heres-how-to-retire-abroad--without-any-tax-surprises.html