The relevant difference between our examples is not the amount. It's that my example check was cashed and therefore cost me $20. Your example check bounced and

The relevant difference between our examples is not the amount. It's that my example check was cashed and therefore cost me $20. Your example check bounced and didn't cost you anything. If that bounce caused your bank to charge you a $10 fee, I'd call it a $10 typo.