Money-back deals (7)
I believe the answer is:
rebates
'money-back deals' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rebates that I've seen before include "Monies having to be sent back" , "Partial refunds, reductions in payments" , "Refunds -- discounts" , "Refunds of some of the amounts paid" , "enclosure?" .)