The Coupon Conundrum: A Study on Discount Dynamics and Store Policies Coupon values fluctuate over time due to expiration dates. Those set to expire soon are more valuable because there is less time for redemption.
This phenomenon is particularly pronounced given the relatively short average lifespan of coupons before they expire or lose value.
Manufacturer's coupons, issued directly by product manufacturers, offer discounts on specific items and can be found in print media, digital platforms, or attached to packaging.