Ugh, the upsell. No one likes being upsold, especially when you're at the car rental counter trying to get on with your vacation. Maybe you chose that rental company because you saw the ad for its $29 ...

In one of Jeff Foxworthy's stand-up routines, he says that whenever a car-rental agent asks him if he wants the extra insurance, "I'm like, 'Yes, I would. 'Cause you've got a Ford Fiesta that's about ...