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I've shopped at Costco for nearly a decade. Here are the 8 biggest mistakes I see customers make.

The outside of Costco with a white exterior and blue-and-red sign with the sky in the background
Costco is a great chain to affordably buy products in bulk.Olivia Yi
  • I've shopped at Costco for over 10 years, so I know the rookie mistakes to avoid.

  • Buying packs of restaurant gift cards could actually save you money in the long run.

  • Knowing how to read the chain's price tags can help you make purchasing decisions.

Avoid getting the wrong Costco membership.

Membership counter at Costco with computers and red sign against brick wall
There are different tiers of membership at Costco.gg5795/Shutterstock

Costco offers different levels of membership, but if you're a frequent shopper who buys most of your household goods at the chain, it may make sense to upgrade to the executive tier.

The executive membership costs $120 per year — an additional $60 from the base option — but it offers an annual 2% reward on qualifying purchases, up to $1,000.

So if you spend a minimum of $250 per month, you'll make back the additional $60 by year's end.

Don't only buy brand-name products.

On the left, hand holding silver and brown bag of starbucks coffee in front of $19.99 price tag. On the right, hand holding blue and beige bag of kirkland coffee
Kirkland's house-blend coffee is roasted by Starbucks.Olivia Yi

Costco's Kirkland Signature line offers high-quality products for relatively cheap, often through relationships with large brands.

For example, Kirkland's house-blend coffee is roasted by Starbucks (as indicated on the package) but often sold for several dollars less than the name-brand beans. Other products, like Kirkland's batteries, are also reportedly made by a major brand.

To ensure you're getting the best quality, do your research before you opt for the bargain brand.

Be sure to take advantage of restaurant gift cards.

Yellow and white california pizza kitchen gift card pack at costco
You can buy $100 worth of California Pizza Kitchen gift cards for $79.99 at Costco.Olivia Yi

At the wholesale chain, the restaurant gift cards typically cost less than their value, so you can get more food than you're paying for.

For instance, a two-pack of California Pizza Kitchen gift cards contains $100 worth of restaurant credit but costs $80, leading to about $20 in savings.

 

Don't forget to carefully read the price tags.

Black and white Costco price tag with red square over the $0.99 with red arrow pointing to it
If a price tag ends in $0.99, then the item is being sold at the regular price.Olivia Yi

Costco's price tags aren't meaningless.

If the price of an item ends in $0.99, then it's being sold at the regular cost. But tags with $0.97 indicate the product is discounted or on clearance.

Price tags ending in $0.00 or $0.88 signal a "manager markdown," which means the product may have been a floor model or return, among other reasons. Closely inspect the item before purchasing it to make sure it's not damaged or missing any parts.

An asterisk next to the price — often referred to as "the death star" by Costco regulars — indicates this item will not be restocked, so you may want to buy more than one.

Educate yourself about internal price-matching.

Inside of costco with products stacked in warehouse style shelves and piles
Keep an eye on Costco's new discounts.Graham Drew Photography/Shutterstock

If an item goes on sale within 30 days of your purchase from Costco, you can request a refund for the price difference.

Although it can be difficult to keep tabs on every product you buy, this may be especially helpful for high-cost items.

However, you can't use this policy to compare the price of online orders to in-store warehouse offers.

Avoid improperly storing Costco's baked goods.

On the left, pack of muffins by $9.99 price tag at costco. On the right, hand holding two bags of bagels in front of $7.99 price tag at costco
You can freeze most of Costco's baked goods.Olivia Yi

Costco's bakery offers some great deals — you can find a dozen muffins or bagels for relatively cheap. But it can be difficult to eat them all before they get stale.

To avoid food waste, individually package each item in plastic wrap as soon as you get home. You can leave some out on the counter to enjoy over the next few days and store the rest in the freezer.

When you want to eat one, simply thaw the frozen muffin, bagel, or croissant in the microwave for 20 seconds, then toast it in the oven or air fryer at 325 degrees Fahrenheit for about five minutes to let the outside get nice and crispy.

You can also take it out of the freezer the night before and leave it on the counter to enjoy in the morning.

Don't buy precut steaks instead of the whole roast.

On the left, cuts of NY steak in fridge at costco. On the left, whole roasts in fridge at costco.
The whole roast is often cheaper at Costco.Olivia Yi

Even though you can find a pack of precut steaks in the meat section, it's usually cheaper to buy the whole roast.

For example, precut New York steak is priced at $15 per pound, but the whole roast costs $12 per pound.

Though having your steaks already cut is convenient, you can easily purchase the whole slab and slice it at home. This tip is especially helpful to save money when feeding a crowd.

When possible, don't go shopping on the weekends.

Customers lined up with carts outside of beige and red costco warehouse
Customers will often get in line before Costco even opens on weekends.J.Emilio Flores/Shutterstock

If you walk into just about any Costco on a Saturday or Sunday, you're almost sure to find crowds and long lines. You may even have to circle the lot just to snag a parking spot.

This increased foot traffic can also lead to certain items going out of stock and longer waits at the food court.

To avoid this, it's best to go on a weekday. But if you must shop on the weekend, I recommend arriving 30 minutes before opening — there might already be a small line outside of the entrance.

Read the original article on Insider