Do you know the most frugal family in America?

Do you know a family of super savers? Do they use everything they own until it absolutely cannot be used anymore... cars, clothes, food, you name it? Maybe they've become so good at coupon clipping that they practically get everything they need for free. Have mom and dad's penny-pinching habits trickled down to the kids, and even the little ones are conscious of being nickel and dimed? If you think you know the most frugal family in America, we want to hear from you!