I recommend the Balkans, in particular the less touristic countries. Serbia, Bosnia, Albania, Bulgaria are all very inexpensive, safe, have reliable internet, and an abundance of cafes and co-working spaces. Most also have favorable visa conditions for Americans (e.g. Albania lets Americans stay up to a year on a tourist visa.) In terms of cities, I recommend Belgrade and Sarajevo the most. Going further east, Tbilis…
Yeah. The quality of life available in many of these major Balkan cities is on-par with anywhere else in Europe for a tiny fraction of the price. You can find lovely flats in the urban center Sofia, Bulgaria for less than $500 pcm, pay basically no local taxes, access the quality of music/museums/restaurants you'd expect in any other capital city, use a solid public transport system, and get healthcare that beats the USA in both quality and cost. Add in a gorgeous countryside, safety orders of magnitude better than major US cities, and decent English skills among the younger generations and it's a very easy place to pass a year or two. Something to consider for retirement too. Trying to convince my parents to give that a go, since they'd be able to live like kings on their modest savings rather than developing ulcers from constant fear of retirement ending healthcare mishaps.