This is wrong, simply Auto Extended Warranties extend the warranty of the car OEM beyond the time period of warranty.
Once the manufacturer's warranty ends, the extended warranty picks for a few years.
The cost of this small added benefit is nothing compared to the mind you'll have peace of mind knowing that your vehicle is covered.
Many stories have been told about someone who bought a new car, to realize soon after the car is a "lemon".
In order to receive the guarantee of certified used cars, self must meet exceptionally good standards by the car manufacturer.
Many warranties offer only mechanical failure of policy, not the regular wear policy.