[header] How to determine an extended warranty's worth [title] Check for free coverage first. [step] In most cases, the manufacturer's warranty will include a year or more of coverage. In addition, a retailer might add their own warranty on top of that. 
Check with the retailer and read your included warranty papers to understand the extent of the warranties provided to you with a purchase. With these covering two or even three years, you may realize that an extended warranty is unnecessary.