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15 Best Costco Shopping Hacks to Save Money and Avoid Waste

June 6, 2025

Costco remains one of the go-to destinations for shoppers who want quality and value all under one roof. Whether stocking up on everyday essentials or discovering new products, the warehouse club offers a shopping experience like no other.

Applying a few savvy strategies can not only stretch your dollars but also enhance your trips, making each visit smoother and more rewarding.

1. Adjust Shopping Habits Based on Life Changes

Costco shoppers often find that their buying lists evolve as life changes. For example, a single individual might focus on smaller quantities or ready-to-eat items, while families tend to stock up on bulk staples.

However, some items remain consistent favorites, such as large packs of toilet paper or pantry basics. Understanding how needs shift over time helps tailor purchases, avoiding unnecessary bulk and waste.

2. Prioritize Essential Staples

Instagram | lanceviney | Stock up on long-lasting non-perishables such as pasta and paper towels at Costco for bulk savings.

Non-perishable goods are a perfect match for Costco’s bulk offerings. Items like pasta, canned sauces, paper towels, and frozen foods remain reliable staples for many households.

These products have long shelf lives and allow shoppers to save by purchasing in larger quantities. Keeping a dedicated space in the cart for these essentials ensures no trip ends without them.

3. Choose Kirkland Signature

Costco’s private label, Kirkland Signature, frequently surprises shoppers with its quality and value. Many products under this label meet or exceed their brand-name counterparts.

Examples include everyday necessities like trash bags or pantry items, where Kirkland often delivers both performance and savings. Trusting the Kirkland brand can streamline shopping while maintaining quality.

4. Approach Gift Cards Selectively

Costco offers gift cards at discounted rates, which can translate into meaningful savings. For instance, restaurant gift cards may be available for less than their face value, offering a budget-friendly way to dine out or give gifts.

However, these deals only benefit those who regularly use the featured businesses. If the local options aren’t convenient or if gift cards tend to be forgotten, skipping this section can save time and prevent wasted spending.

5. Know the Return Policy on Clothing

Many shoppers hesitate to buy clothing at Costco due to the lack of fitting rooms. Instead, purchasing with the intention to try on at home allows for a more relaxed evaluation.

Most clothing items come with a reasonable return policy, but it’s wise to confirm any exceptions at checkout. This approach helps take advantage of seasonal finds and workout gear without the stress of in-store fittings.

6. Skip Books and DVDs to Cut Clutter

Pexels | ottonbro studio | For less clutter, borrow books and DVDs from your library instead of buying them at Costco.

Though Costco carries a variety of books and DVDs, these categories might not be worth purchasing if minimizing household clutter is a priority. Using the local library as an alternative can satisfy reading and entertainment needs without adding to storage challenges.

Libraries also offer easy returns, making them a cost-effective and space-saving choice.

8. Monitor Costco’s Monthly Sales Flyer

Keeping an eye on Costco’s sales flyer can reveal unexpected deals worth snapping up. Sometimes, these sales encourage trying new snacks or opting for name brands temporarily if they’re priced below Kirkland alternatives.

Being flexible and receptive to flyer promotions allows shoppers to capitalize on limited-time discounts and expand their product variety.

9. Be Strategic with Bulk Produce

Buying produce in bulk is tempting at Costco, but it requires attention to usage pace. Unlike pantry items, fresh fruits and vegetables can spoil quickly if not consumed in time.

Families that regularly enjoy items like apples, berries, or pears can benefit from bulk produce, while smaller households may want to avoid overbuying. Knowing the household’s consumption habits helps prevent food waste.

10. Gas Up with a Plan

Costco’s gas stations offer competitive prices, yet they often come with long wait times. For shoppers living farther from a Costco location, the extra driving can offset the fuel savings. Evaluating proximity and convenience can determine whether filling up at Costco is the best option or if a local gas station might be more practical.

11. Skip the Food Court More Often

Costco’s $1.50 hot dog and drink combo is famous for its value, but not every shopper finds it worth the wait after a big shopping trip. The desire to unload purchases and head home frequently outweighs the temptation of a quick meal or snack.

For many, skipping the food court streamlines the shopping experience.

12. Every Great Deal Isn’t a Personal Win

Good deals aren’t always good investments. Bulk items that linger unused can occupy valuable pantry space and eventually get tossed. Evaluating personal consumption patterns before purchasing large quantities helps avoid unnecessary waste and clutter. Leaving tempting bulk offers on the shelf can sometimes be the smartest choice.

13. Always Reserve Space for Rotisserie Chicken

Instagram | costcobuys | An affordable and adaptable hit, Costco's rotisserie chicken simplifies busy weeknight meal planning.

Costco’s rotisserie chicken remains a popular quick meal solution. Affordable and versatile, it fits well into busy weeknights. Beyond simply eating it as is, the chicken can be repurposed into other dishes like salads or soups, offering more meal options. Making room for this item can simplify dinner planning significantly.

14. Explore Costco’s Wine Selection

Wine lovers appreciate Costco’s extensive and affordable wine options. The selection ranges from budget-friendly bottles under $15 to Kirkland Signature varieties that deliver surprising quality.

Without the pressure of collecting rare vintages, shoppers can enjoy discovering wines that suit their preferences without breaking the bank.

15. Choose Membership Levels Wisely

Costco offers several membership tiers, including the Gold Star and Executive cards. The Executive card provides a 2% annual reward, which can pay off for big spenders but may not be worth the higher fee for those who shop less frequently.

Regularly reviewing annual Costco spending helps decide which membership level aligns best with individual budgets and shopping habits.

Shopping at Costco becomes easier and more rewarding with a thoughtful approach. Focus on what truly fits your needs, watch for deals that make sense, and trust reliable picks like Kirkland. A few smart choices each trip can lead to better value, less waste, and a smoother experience every time.

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