The most popular credit card in Canada, denominated in US dollars, is the TD US Dollar Visa Card It is very convenient for Canadians who travel to the US often, whether on business or pleasure. The interest rates on purchases and cash advances are 19.99 percent and 21.5 percent respectively, which corresponds to the average interest rate on other credit cards, while the annual fee is set at $39 USD. All in all, it is quite a convenience to make purchases in the currency of this country (US dollars). Not only will you no longer have to worry about exchange rates - you will not receive unpleasant surprises when you get your monthly credit card statement. The application process is made easier - you can apply online and it will take you just a couple of minutes to fill out the required information. The statement you receive will feature the exact cost of your purchases.