In some cities here in the U.S., it's common practice to keep cash on-hand so that in the event of a robbery, you can avoid giving your phone/other valuables or

In some cities here in the U.S., it's common practice to keep cash on-hand so that in the event of a robbery, you can avoid giving your phone/other valuables or having to say "I don't have anything" and getting shaken down further or shot