You buy the off-brand cereal at the supermarket to save 35 cents and you stop eating guacamole all together when avocado prices soar above 88 cents. Ironically, you don't go anywhere without your Kavu Big Spender Wallet. The tri-fold design gives you plenty of space to stash your cards, id, and all that cash you're saving when you decide to ring up all your produce as onions at the self-checkout.