This new supply chain management case study examines "store or don't store" multi-echelon inventory decisions faced by Jefferson Plumbing Supplies. It drills down to review inventory decision-making associated with a single product: A customer wishes to order larger quantities less frequently, but Jefferson's cost structure and storage limitations rely on maintaining and frequently replenishing small inventories. In presenting the real-world challenge of balancing cost with customer service, this case study offers exceptional value to both students and practitioners. Author: Amit Eynan, University of Richmond.