Answer:

cash

Answer	Crossword Clue
CASH	"I Walk the Line" singer
CASH	Barrelhead topper
CASH	Bread or cabbage

CASH	Money
CASH	Singer Johnny
CASH	"All You Need Is ..." (mockumentary about the Rutles)
CASH	Folding money
CASH	Barrelhead bills
CASH	Till contents
CASH	Form of payment
CASH	Legal tender

CASH	Johnny's money?
CASH	Liquid assets
CASH	Green in hand
CASH	Bread
CASH	Plastic alternative
CASH	Payment method
CASH	It's not needed when charging
CASH	Collection plate's contents

CASH	Payment option
CASH	It's liquid
CASH	... cow
CASH	Bucks
CASH	Money belt filler
CASH	Teller's stack
CASH	ATM offering
CASH	Bills

CASH	Redeem, in a way
CASH	Tens and twenties
CASH	"Walk the Line" subject
CASH	One way to pay
CASH	Check alternative
CASH	Green
CASH	It may be cold or hard
CASH	Word with cow or crop

CASH	Bills and coins
CASH	Cold hard stuff?
CASH	Dollar bills, e.g.
CASH	Toll lane choice
CASH	Charge alternative