If you want more, spend more. Try that at the grocery store or gas station some time. Order everything at once. Don't come to pick up your pizza and then tell us you also want breadsticks. If you would've been a considerate person, you would've told us before so we could have an extra one ready for you.
Banks are wonderful things.
Also, banks accept all your small change. Write checks for an even amount over. Now I know some people like to write it for an even amount because it's easier to balance your checkbook that way. I'm sorry, but if you can't subtract decimals or use a calculator, you don't deserve to have a checkbook.