1. Subscribe and Save: For routine purchases, use the Subscribe & Save feature which offers discounts and free shipping.

2. Prime Membership: Consider a Prime subscription for free two-day, one-day or even same-day shipping on eligible items.

3. Lightning Deals: Check Lightning Deals daily for limited-time offers on various items.

4. Today’s Deals: Always visit the “Today’s Deals” section to find deals across different departments.

5. Amazon Warehouse: Shop from Amazon Warehouse for discounted open-box and used products.

6. Student Discount: If you’re a student, sign up for a discounted Prime membership with Amazon Prime Student.

7. Price Tracking Tools: Use price tracking tools like CamelCamelCamel to monitor price history and get alerts on price drops.

8. No-Rush Shipping Credits: Opt for no-rush shipping if you don’t need your item immediately and earn credits toward future purchases.

9. Amazon Credit Card: Earn cashback by using the Amazon Rewards Visa Card or the Amazon Store Card.

10. Shop with Points: Use reward points from eligible credit cards to pay for part or all of your purchase.

11. Coupon Clipping: Clip digital coupons on Amazon’s coupon page before adding items to your cart.

12. Alexa Shopping: Use Alexa for voice shopping and accessing exclusive deals by simply asking your device.

13. Amazon Trade-In Program: Trade in eligible items like electronics for an Amazon gift card.

14. Prime Pantry: Save on grocery shopping with bulk buys and exclusive savings through Prime Pantry.

15. Baby Registry Discounts: Create an Amazon Baby Registry and get discounts, a welcome box, and easy returns for 90 days.

16. Smile.Amazon.com: Shop through smile.amazon.com to support your favorite charity at no additional cost to you.

17. Gold Box Deals: Keep an eye on Gold Box Deals for new deals every day that often include deep discounts on electronics and more.

18. Watch and Shop Entrances into Sweepstakes: Occasionally, by watching short videos or checking out new products, you may gain entry into various sweepstakes on Amazon with prizes sometimes including gift cards or big-ticket items.

19. Damaged Packaging Options: Look for items with damaged packaging that are otherwise untouched – they often come with discounts.

20. Deal Bundles and Bonus Offers: Be on the lookout for deal bundles and bonus offers where purchasing one product gives a significant discount on another.

Implementing these tips can lead to significant savings and more efficient shopping experiences on one of the world’s largest online marketplaces – Amazon!