If you earn USD $103,000 or less overseas you don't have to pay U.S. income tax on it. Just on anything above that amount. But you still have to pay income tax to the country you live in. Overall Poland is a developing nation with a pretty high standard of living in the big cities, not so much in small places. I just spent 3.5 weeks in Lviv, Ukraine. Ukraine is much poorer than Poland but the standard of living in Lviv is pretty good. There are pockets of prosperity where one can live fine for half the costs of the U.S. or Canada. But you need to bring your income with you. My $22k pension in Ukraine is like having $50k in the U.S.. Maybe $40k if living in Poland.