I've used coupons for a very long time. Yep I'm a bit obsessed. First I plan our meals for 2-3 weeks and then will search the circulars online for the shops I usually frequent. I will plan my route and clip coupons accordingly. I love using my coupons when the buy1 get 1 offers arise as well.
My kids have also gotten into the routine of clipping coupons with me. It tends to be an all day affair, clipping and organizing in my coupon binder but it's worth it in the long run