AVIS สนามบินแฟรงค์เฟิร์ต บทวิจารณ์: A small pebble caused a tiny dent the size of a fingernail, and they charged 464 euros for the repair! They also claimed it was the lowest possible fee! They initially agreed to a 10 euro daily upgrade fee, but upon return, they insisted on 20 euros per day!