Extended warranty is not a thing that you can buy over the counter. To buy extended warranty you need to be in touch with a dealer from whom you have already bought either some electronics goods or a vehicle. Once you have done that you can discuss all that the extended warranty contract contains, so that you are well informed when you buy extended warranty. You also need to be sure that you can afford to spend that little extra amount of money for the specific purpose, which is to buy extended warranty for the items you have purchased.