Answer:

bilk

AnswerCrossword Clue
BILKTake to the cleaners
BILKSwindle
BILKRip off
BILKDefraud
BILKStiff at a store
BILKCheat
BILKFleece
BILKCheat (out of)
BILKCon
BILKChisel
BILKPut one over on
BILKTake in
BILKDefraud.
BILKHoodwink.
BILKSwindle.
BILKFleece.
BILKCheat.
BILKBamboozle
BILKCozen
BILKFlimflam
BILKGyp
BILKSting
BILKRook
BILKScrew one's customers