Step 1: Get a craving for peanut M&Ms.
Step 2: Insert $1 bill into functioning (as indicated by an absence of "Use change" or "Use correct change" lights) vending machine.
Step 3: Insert $1 bill again after it is spit out.
Step 4: Repeat step 3 until frustrated
Step 5: Walk across the street to change machine. Receive four quarters.
Step 6: Insert 3 quarters to purchase $.60 M&Ms. The machine will ask for "correct" change.
Step 7: Swear like a sailor
Step 8: Press coin return button.
Step 9: Press coin return button again after the vending machine swallows your quarters.
Step 10: Repeat step 7 until a hollow shell of former self.