Picture yourself in a grocery aisle, reaching for your usual yogurt. Suddenly, a bright shelf tag catches your eye: “Buy One, Get One Free” on a brand you’ve never tried. That little tag is a sales promotion—and it just changed your mind. In this chapter, we’ll look at the tools and strategies that create these moments. Not just on the shelf, but everywhere people buy—online checkout, the end of a store aisle. You’ll learn how to design promotions that actually work.