It doesn't just magically happen, but it basically is a foregone conclusion. Nobody cares about a register that is off by 57 cents at the end of the day. You're

It doesn't just magically happen, but it basically is a foregone conclusion. Nobody cares about a register that is off by 57 cents at the end of the day. You're going to waste WAY more money trying to hire "smart" cashiers at $5-$10 over the prevailing wage than you would just putting up with people who occasionally make errors in counting change.