Where To Find Coupons - MapleMoney Coupon Inserts. Every few weeks, you can find Canadian coupon inserts in your local newspaper. There is Redplum every 4 weeks or so, SmartSource every 3 weeks or so and Brandsaver every 3-4 months. These coupon inserts are usually put in with your FREE newspapers (the ones that come with store flyers), but you can also find them in some paid ...