How does Wal-Mart reduce costs through purchasing?

Purchasing directly with suppliers avoids trading companies and reduces purchasing costs.

Company purpose:

Wal-Mart put forward the aim of "helping customers save every penny" and realized the promise of the cheapest price. The company always adheres to the principle of "service is superior to others and employees are different" to provide customers with new enjoyment of super-first-class service.

When you walk into Wal-Mart, customers will feel at home. Third, Wal-Mart promotes the new concept of "one-stop" shopping. Customers can buy all the goods they need in the shortest time and at the fastest speed. It is this fast and convenient way of shopping that attracts modern consumers.

Refer to the above? Baidu encyclopedia-Wal-Mart