Your fingers thump the keyboard or your pen digs into the paper as you pour out your anger, disappointment, annoyance, rage, concern — whatever emotion it is that has propelled you to write to complain. You finish writing, press send and sit back to wait for the response, which may or may not be to your satisfaction. Putting some forethought and preparation into a complaint letter will raise the chance of you getting the kind of response you want.
