From what I recall you get a GST rebate when you cross back over the border. Beyond that you will have to get enlightened by someone else on how that system works I'm a bit fuzzy on it but know that it exists being a Canadian.
While American money is legal tender here in Canada a lot of Canadian retailers refuse to accept it and or if they do only accept $50 American and not any higher. It costs them money otherwise. [ solidadvice4teens's advice column | Ask solidadvice4teens A Question ]
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