7 Simple Ways to Save $100 a Month at Costco

September 3, 2025

Saving money at Costco is easier than you might think with a few simple strategies. By being mindful of your shopping habits and making smart choices, you can easily cut down your monthly expenses. From using Costco’s house brand, Kirkland Signature, to timing your visits for the best discounts, there are plenty of ways to get more value out of your membership. Taking advantage of price adjustments, splitting bulk purchases, and using gas stations and credit card rewards can all add up to big savings.

Buy Kirkland Signature Products

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Costco’s Kirkland Signature brand offers top-quality items at a lower price compared to name-brand products. From groceries to household items, you can find almost anything under the Kirkland label, and it is often praised for matching or exceeding the quality of major brands. By choosing Kirkland products over name brands, you can save a significant amount without sacrificing quality. These savings can quickly add up, especially when purchasing everyday essentials. Whether it is cleaning supplies, food, or clothing, Kirkland Signature is a smart choice for saving money.

Time Your Shopping for Maximum Discounts

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Knowing when to shop at Costco can lead to substantial savings. Costco often offers deep discounts at the end of a season or during specific sales events. For example, wait until the end of the holiday season to pick up decorations, or shop after big holidays for reduced prices on items you might need later. Additionally, certain days of the week may offer less crowded shopping experiences, which means fewer temptations to buy unnecessary items. Timing your visits around sales can ensure you get the best deals.

Use Price Adjustment and Gift Card Strategies

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Costco allows price adjustments if an item you purchase goes on sale shortly after your purchase. This means you can request a refund for the difference in price if the item drops in cost within 30 days of your purchase. Another strategy is using Costco gift cards, which can often be found at discounted rates at places like Costco’s website or other retailers. Gift cards allow you to pre-pay for purchases and can help you stick to a budget. Price adjustments combined with gift card savings can add up to significant monthly savings.

Split Bulk Purchases With Friends

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Bulk buying can save money, but it is not always practical for a single household. Instead, team up with friends or family to split larger bulk purchases. Costco’s large sizes make it perfect for sharing items like paper towels, dry goods, or frozen foods. By splitting the cost, you get the benefit of bulk pricing without having to store excessive amounts of products. This strategy helps everyone save money while avoiding waste.

Master the Secret Price Codes

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Costco’s price tags come with a unique system that can help savvy shoppers make smarter purchases. If the price ends in a .99, it means the item is full price. However, if it ends in a .97, it indicates a clearance item that could be marked down further. Items marked with a star next to the price are considered “special buys” and often offer great value. Understanding these codes can help you spot discounts and get the best deals available.

Use Costco’s Gas Stations

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Costco’s gas stations are known for offering some of the cheapest fuel in town. By using your Costco membership, you can fill up your tank at a lower price than most other gas stations. The savings may not seem huge at first, but over time, they can add up significantly. Make sure to take advantage of Costco gas stations whenever possible, as they can save you hundreds of dollars annually. This is a simple way to make your membership even more worthwhile.

Use Cash-Back Credit Cards

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Using a cash-back credit card for your Costco purchases can help you earn money back on every purchase you make. Many credit cards offer up to 2% or more cash back on grocery store purchases, and Costco falls under this category. Over time, the cash-back rewards can be redeemed for statement credits or used for future purchases. Make sure to choose a credit card with the best rewards program for Costco purchases to maximize your savings. Combining this with your Costco membership offers you the best possible value.

This article originally appeared on RetailShout.

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