After Jan 27th Watch Your Credit Card Statement ~

Unless you live in  California, Colorado, Connecticut, Florida, Kansas, Maine, Massachusetts, New York, Oklahoma, and Texas, where it is currently restricted to charge consumers an extra surcharge on transactions, keep your eyes on your credit card statement for “checkout” fees.   The fee can be up to 4%.

Source: http://news.yahoo.com/retailers-may-begin-charging-swipe-fees-credit-card-155919028.html