1. Supply chain optimization: Zhu Yingjie reduced the cost by optimizing the supply chain, thus making the sales price more competitive. By establishing a long-term cooperative relationship with suppliers, the purchase volume is increased, and lower prices and better discounts are obtained.

2. Lower cost of on-site delivery: Compared with traditional sales methods, the cost of on-site delivery in Zhu Yingjie is lower, and Zhu Yingjie does not need to pay high store rent, employee salary and other expenses, so he will invest more in product quality and service, thus providing more competitive prices.