Do you work at, or own a gas station?
He's been asked questions like that in the past. I'm pretty sure he just has a good friend cashier watching for him. The combination of the coins he gets is not the denominations you would receive as change. A great idea, my sister is my "in" behind a register.
I found a little gold mine my self. Look out Dorado....the gas station has some competition.....
....from the bakery.
Took about 6 weeks to get these from the change from my snack. No "in" here, just delicious muffins.
"We are poor little lambs...who have lost our way...Baa...Baa...Baa"
In memory of those members who left us too soon...