: On its face, the deal is a simple 25% discount. However, by framing it as a "free" item, retailers tap into the "zero-price effect," where consumers overvalue free goods even if a standard percentage discount might be cheaper.

Essay Title: The Psychology of the Fourth Tire: Analyzing Sears’ "Buy 3, Get 1 Free" Legacy

: For decades, the "Buy 3, Get 1 Free" sign at Sears Auto Centers was a staple of American strip malls.

: To get the deal, Sears often required the purchase of a professional alignment or specific installation packages. This ensured the car was safe while increasing the "out-the-door" price for the retailer. III. Strategic Brand Power: DieHard and RoadHandler

: This promotion was not just a discount; it was a strategic marketing tool that leveraged consumer psychology, brand loyalty (particularly with the DieHard brand), and the practical necessity of vehicle maintenance. II. The Math and Value Proposition

: Sears, Roebuck and Co. once sold over 20 million tires annually.