You did not write if you plan to do employed work or just live off your savings / external income. Even for Americans a work permit is not easy to attain in mos

You did not write if you plan to do employed work or just live off your savings / external income. Even for Americans a work permit is not easy to attain in most places of the world. Also if you work employed locally, you have to consider how much you have to work to have a good live in that location. While many consider Switzerland expensive, once you compute how long you have to work for the coffee it may no longer sound that expensive.