This edition of HD Beat HDTV Buying Guide is going to take you through different questions to help you determine if an extended warranty is worth your money.

ENGADGET: HDTV Buying Guide: Extended Warranties HD

This helps buyers anticipate what problems might crop up at a certain mileage, and helps them figure possible repair costs into their budget and even decide whether to buy an extended warranty.

FORBES: How To Predict What Will Go Wrong With Your Car Down The Road

Taking out an extended warranty may seem like the sensible option, but recent research conducted by the OFT has shown extended warranties can cost up to half the purchase price of some appliances.

BBC: OFT appeal to consumers