Unless you live in the arid southwest, you know the horror you feel when you see the paint on an otherwise trusty Jeep starting to bubble. It means that rust lies beneath and is slowly but inevitably eating your Jeep out from under you.
The best thing to do is to start digging as soon as you see the paint bubbling up. If you don't, you'll end up with what you see here. The beginning of the fix is the most painful.
Often the paint bubble is indicative of a much larger problem. So, here is a step-by-step on how to cure your body of cancer. Er, your Jeep's body.