Deals is the verified list: every entry states the price now, the price last month, the lowest figure on record, any code required and an expiry. Offers failing the price history check are left off. Suited to readers who want a discount confirmed before twenty minutes at checkout.
A coupon code usually fails for one of two unglamorous reasons: the item you picked sits on the retailer's own exclusion list, or the "sale" behind the code was never a real discount to begin with.
School supplies hit shelves in June now, and the NRF's own survey data shows families shopping earlier — sales creep is retailers responding to real behavior.
If the price drops days after your purchase, many major retailers will refund the gap — the trick is knowing the window, the exclusions and the exact request to make.