You should opt for smaller bills especially if there is an exchange or a bank around
I think it is good both for you and for those who work as cashiers if you pay for purchases with smaller bills, especially if there is an exchange or a bank around. It is like ordering something online and you have to pay, but the courier does not have enough money to return the rest of your money. Thus, if you have the possibility, you should pay with smaller bills. I promise you that they will appreciate it.
“I was a cashier at a pizza place in high school,” says Megan Molloy. “I still dream about the pizza. What I don’t dream about was the incessant need for customers to break $100 bills at a modest pizza joint. There was a bank right next door!”