Costco Weekly coupons! 22 Aug Posted on August 22, 2016Author Nadine 0 Lots of good coupons this week at Costco, and some good ones for back to school! $2.50 off fruit cups, $3.50 off string cheese, $4 off juice boxes and more! You can ge the coupons instore or check them out online! Check back later today for all the Unadvertised Deals at Costco.