Top 20 tips to save money are as follows:

1. Use coupons, discounts, discount codes and other preferential methods on major e-commerce platforms to reduce shopping costs.

2. Pay attention to the promotions and limited-time discounts on major e-commerce platforms to understand the event time and rules.

3. Download the APPs of major e-commerce platforms, participate in APP-exclusive activities and obtain exclusive coupons.

4. Register as a member of major e-commerce platforms to enjoy member-exclusive discounts and points redemption.

5. When purchasing daily necessities on e-commerce platforms, use deal search websites or tools to find the best prices.

6. When purchasing regular subscription products or services, compare the prices and discount strategies of different merchants.

7. Participate in consumer protection plans, such as insurance, warranty, etc., to reduce shopping risks.

8. When purchasing products in brand stores or physical stores, follow their social media and official websites for discount information.

9. Use cashback platforms or apps to get merchant cashback or discounts.

10. Participate in preferential activities or promotions of brand merchants to obtain additional discounts or gifts.

11. Compare the exchange rates and fees of different payment methods before shopping to choose the best payment method.

12. Use a point or reward system to accumulate points in exchange for merchandise or discounts.

13. Find used or new items to buy below market price.

14. Use discount codes or coupons from online shopping platforms to get additional discounts.

15. Participate in group buying or group buying to get lower prices.

16. Use credit or debit card reward points to redeem merchandise or discounts.

17. Pay attention to the event notices on e-commerce platforms and prepare shopping lists in advance.

18. Clarify your needs and budget before shopping to avoid unnecessary expenses.

19. Use coupons or discount codes from online shopping platforms to reduce shopping costs.

20. Find goods or services through social media or online communities to get more affordable prices.

I hope the above information is helpful to you.