With the purchase of a used car, an after-sales guarantee can certainly save you money. We all know that when buying a new car off the lot, it is significantly devalued the minute we drive off the lot.
The Brazilian food market is very competitive and yet there is absolutely no pills or other acai diet products.
Just compare the cost of an extended warranty to the replacement cost of a transmission. You'll quickly see that the security is something of great value and you should not be without it.
All reports or correspondence you have received from the dealer will also be important if you decide to file a claim under your state's lemon law.
Car insurance would cover you if you were in an accident when a car warranty covers the cost of broken or defective parts.
These guarantees are just insurance for something more catastrophic to happen.