It could also be about a business - related story within Walmart regarding coupons. Walmart might have a plan (the 'will') for its coupon system to attract more customers. They could be thinking about expanding their digital coupon offerings, or perhaps they have a new strategy for distributing paper coupons. This story could be about how these changes will impact both the customers and the company's bottom line. For instance, by increasing the use of coupons, Walmart may increase customer loyalty and also manage their inventory more effectively as customers are more likely to buy products they have coupons for.
The 'Walmart coupon will story' might refer to a customer's experience with Walmart coupons. For example, a person may have planned how they will use their coupons at Walmart to get the best deals. They might be aiming to buy a specific set of items, say groceries and household goods, and have strategized which coupons to use for each item to maximize savings. Maybe they have a story about waiting for the right time to use a coupon when an item is on sale to double their savings.