In Germany at least, food and groceries is almost exclusively in cash. I come from another part of Europe, I find it very strange and annoying sometimes. By th

In Germany at least, food and groceries is almost exclusively in cash. I come from another part of Europe, I find it very strange and annoying sometimes. By the way, if anyone knows of a good way to rack up miles with Star alliance/Lufthansa, I'd love to know.