Coupons from various restaurant chains such as Subway have become a popular way to provide incentive to the customer. In most cases, these coupons provide either discounts on various menu items that potential customers or even free menu items with a minimum purchase of complementary menu items. Some coupons also act as punch cards that will reward regular customers after a minimum number of visits to the chain. The savings are the primary benefits to the end user with regard to free Subway coupons, but there are some added benefits not always immediately apparent as well. Some of these are: Ease Convenience Time-saving Not only are some coupons physical, but by signing up on the Subway website or elsewhere, electronic coupons can be delivered to customers. This is done in a couple of ways, usually via email or text. This gives the...