Final answer:
Walmart's strong relationship with suppliers contributes to their achievement of keeping inventory levels low and reducing storage costs.
Step-by-step explanation:
Walmart's strong relationship with suppliers contributes to their achievement of keeping inventory levels low and reducing storage costs. By working closely with suppliers, Walmart is able to streamline their supply chain and ensure that they receive inventory in a timely manner. This allows them to have shorter lead times and keep stock levels low, minimizing the need for excess storage space and reducing storage costs.