Yeah, but there's so much opportunity for a car to rust! (Sorry, but this is on my mind because of the course I just finished

)
Are they really expensive? If so, I could see that they might not be worth it, but if they don't cost that much, then it's worth the peace-of-mind, even to know that a paint chip (which tend to happen on Civics...... ugh) will never rust and spread.