Answer:

OVERCHARGE

AnswerCrossword Clue
OVERCHARGESoak
OVERCHARGEBilk
OVERCHARGEInvoice error
OVERCHARGEPad the bill
OVERCHARGEPrice too high.
OVERCHARGEConsumer complaint.
OVERCHARGECheat in a way
OVERCHARGEBill error, sometimes
OVERCHARGESting a customer
OVERCHARGEAsk too much of
OVERCHARGE"Generously" bill