When you buy paint protection or scratch repair protection, all you are paying for is insurance. The paint protection itself is a sealant, that costs no more than $150 to apply. But the remainder is for the insurance and into the dealer's pocket. As with every other insurances, there is always a loophole that is exploited by the dealer to get out of covering any damage. For paint protection, you must use their own recommended shampoo and you cannot wax or polish your car. You probably can't even use quick detailer spray on your car.