Supermarket layouts are designed with strategic product placement to encourage impulse buys and guide shoppers toward high-margin items. Retailers often place similar products in multiple departments, but prices between those sections can vary significantly. Savvy shoppers who compare unit prices across aisles often discover the same or better quality for a lower cost. Mastering where to look—and what to avoid—prevents you from overpaying for basic staples. I will examine seven grocery items that are usually cheaper somewhere else in the store.