If you come to Den Haag you may notice a student's back pack hanging from the top of a residential flag pole. We have learned that this is done when a student graduates from high school.
Also, when you shop through a grocery store don't expect to find the eggs in the refrigerated section. They are kept stacked, in the middle of an aisle, at room temperature.
Lastly, we were told that if we wanted the garbage man to take away our moving boxes, then we should give him either 5 (or so) euros or a six-pack of beer! Either option works!