How to be Insulting in Banks: Take a tape recorder with you to the meeting with the manager. Say nothing the entire time, but simply record all he says to you. Then when he's finished play it back to him at twice the speed and leave.
How to be Insulting in Hotels: If you have to get up early, do it with the maximum amount of noise. Run a bath loudly and sing in it.
How to be Insulting on the Beach: Try to find seaweed and drag this along the beach, leaving bits beside other people's places.
How to be Insulting at Christmas: Turn up the television when the carol singers arrive and turn off the lights until they go away.
How to be Insulting to Neighbors: On moving in, erect a fence at least six feet high, with a garish finish on their side.