I would like to place an order from Amazon.com for about $550 worth of books. Being Canadian, I am very worried about customs and duties fees however. Especially since a number of them are very heavy hardbound coffee table books. Is there any way to avoid duties and import fees on such a large order through Amazon, my account or shopping cart? Any note I can leave with Amazon's customer service? Also, does anyone have any coupons that can be applied to a large book order like this? I wouldn't mind saving a few dollars or perhaps even free shipping, etc. Any help advice is appreciated!