Coupons are intended to attract traffic to a business during off-peak hours. If a customer walks in with a coupon, they are expected to order additional products thereby balancing the cost of foregone revenue from the coupon by generating additional revenue from non-coupon item purchases. As more customers order only what the coupon offers, the operating margin is sure to shrink. Hence, the ideal time for a business to offer a deal is when the traffic is lower than expected. Read full article at the Home Business Magazine
