Visit Walmart to save on Ivory bar soap. It’s on rollback, $0.97 for a three-bar package. Use a $0.50 coupon to drop the price to only $0.47. That's just $0.16 per bar! Print two coupons and stock up!
Have you heard of cashier profiling? Scout out friendly and easygoing cashiers. This tends to result in a more pleasant checkout experience, especially when using coupons.