Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Is it bad etiquette to use a credit or debit card to pay for single figure amounts at the POS
Personally, I think it's a bad practice, because ultimately using cards for such minuscule transactions raises costs for everyone, especially at merchants whose average transaction is small. How does carrying cash improve your personal security? If someone is going to mug you, they do not know in advance whether you have money or not.