Any coupons that require ongoing service, where a dollar amount is taken off your first cleaning, require a total of 6 cleanings (one first time and 5 ongoing cleanings) to be preformed to keep the discount. The discount is only available on Deluxe and General Cleanings. The discount can not be applied to previous cleanings. If you cancel your cleanings before you have 6 total cleanings or if you do not have 6 cleanings within 6 months, the original discounted amount will be charged back to your account.