Since our credit card merchant is located in Canada some banks take it upon themselves to charge a "Foreign Transaction Fee" which is a few dollars. This is unfortunately out of our hands and up to the discretion of the bank alone.

Here is some more information regarding different fee's associated with some banks and credit cards (this website is not ours so please use at your own discretion):

http://www.creditcards.com/credit-card-news/foreign-transaction-conversion-fees-1276.php