The phrases below have something in common that has nothing to do with their meanings. Can you determine what it is?

NOT THAT MUCH
LOW FAT MILK
GREAT MAJORITY
FRAT MEMBER
COMBAT MISSION
MEAT MARKET
WHAT, ME WORRY?

Answer:

Each phrase conceals the initials ATM.

Credit:
NY Times Crossword
November 18, 2001
Jim Page
HIDDEN SOURCE OF MONEY