Don’t move today—be able to move tomorrow. This expanded guide reworks your original article into a 10‑country portfolio of “back‑pocket” residencies: permits you can secure now, keep on ice, and only use if/when you want lower taxes, calmer living, or a fast exit from local turbulence. We’ve also shuffled the order for a fresher read and folded in three extra countries with up‑to‑date policy notes and official references.