There is this new thing called a credit card that allows you to process a payment for a fuel purchase right at the pump.....perhaps you and your local gas station attendant should go to the local library and research this 20 year old technology.
I stopped in Sunday as I was driving by. Good to meet Kit and chat for a bit. I'd bet he'll be successful running this place. In the short time we talked he came across as having the right personality and interest in doing a great job and making his customers happy!