Its an insurance policy. Like any insurance, its only worthwhile if you need to use it. I have one, just so many sophisticated items on the Jeep that are difficult for the DIY to repair.
You don't have to buy the warranty from your dealer and can shop around. Go online to a place like chryslerwarrantys.com and see what they want for the equivalent warranty. Many dealers will match that price as there is plenty of dealer markup in the suggested list price.
Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
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