You are allowed to enter free of duty any purchases with a combined value of up to USD $400.00 For Canada the amount is CD $500.00 IF travelers have been outside of Canada at least seven days. This allowance may be claimed every 30 days. With a verbal declaration a returning Canadian resident can claim duty-free entry for articles (excluding tobacco products or alcoholic beverages) that do not exceed a total value of CD $20.00 upon return from each trip of more than 24 hours.