First, the most popular Friday is a 50% discount on purchases over 128 yuan in Wal-Mart stores every Friday. It should be noted that the discount is not applied at checkout, but is recorded as a cash discount after the current bill. into the account. Second, you can earn points for any consumption (consumption in Wal-Mart stores and purchases where points can be recorded elsewhere), and then the points can be used as cash for discounts, but these discounts can only be used in Wal-Mart stores. For example, if you have 20,000 points, it will be about It can be used as cash equivalent to 200 yuan. At this time, call Bank of Communications and tell them that you want to redeem points, and then the customer service staff will return the discount to your account. The premise is that the current bill has not ended and you have purchases in Walmart stores that are greater than the discount amount. . Reminder, the above activities require deduction of personal income tax, the tax amount is 20%, after deducting the tax amount, the rest will be credited to your account