I had a guest come through my lane that had several separate orders all with target coupons manufacturers and cartwheel. They had a binder in the cart full of coupon ads. I don't cashier often enough to feel confident. So after the 2nd order and her getting angry b/c the register wouldn't take a coupon, I asked my savvy GsTL ( who was working a reg. cash shift )to take over b/c I was "late for break". He cut her off after the 3rd order b/c she was duplicting orders. Anyone else have this experience? What do you do?