Unless work is helping you out, expect to have difficulties opening up bank account in EU due to FATCA. Lots of banks don't want to deal with that, so they'll outright reject Americans.
As others have said, try to learn the language, at least a little. Although I'd say 90% of the population will know English.
Take ferry over to Germany if you want cheaper beer/wine/alc. The Swedes go to Denmark, and Danish go to Germany :).