Related Clues:

• Fee
• Protect
• Pay with plastic
• Use plastic
• Set a price (for)
• Protective covering
• Tax loophole
• A dead tree's lack, according to T.S. Eliot
• Cash alternative
• What a 54-Across may do to a matador
• Basic need
• ''Go get 'em!''
• Formally accuse
• Use a credit card
• Safety from the elements