You can't charge a fee to the customer. But the retailer still has to pay a fee whenever you use any type of credit card. Which is why I feel like a dick if I

You can't charge a fee to the customer. But the retailer still has to pay a fee whenever you use any type of credit card. Which is why I feel like a dick if I ever have to use my credit card for a sub 30kr ($5ish) purchase in a small business.