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

Tech Insider : Business, Style
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

Costco shoppers love the chain's cheap gas. We did the math to see how fast savings add up in 13 US cities.

Tech Insider : Business
Drivers wait in line to pump gasoline into vehicles at a Costco Wholesale Corp. warehouse gas station in Hawthorne, California, on June 12, 2024.
Costco has been selling gas at bargain prices since 1995.

Patrick T. Fallon/AFP via Getty Images

Successful women say exercise is a core part of their routines. Their essentials include Alo Yoga clothes and an Oura Ring dupe.

Tech Insider : Business, Sports, Style
Cropped shot of a woman holding dumbbells, yoga mat and sports water bottle in her hands.

Getty Images; BI

Home Depot is laying off 800 employees and bringing staff back to the office 5 days a week

Tech Insider : Business, Economy
The entrance to a Home Depot store, with a customer walking into the store and a selection of plants outside of it.
Home Depot said that it laid off 800 corporate employees on Wednesday.

Justin Sullivan/Getty Images

Amazon's latest pivot: Bye-bye, automated grocery stores

Tech Insider : Business, Style, Technology
An Amazon employee at its Fresh grocery store
An Amazon employee at its Fresh grocery store

David Ryder/Getty Images

Apple has a new and improved AirTag. Here's why I'm buying the old ones.

Tech Insider : Technology, Business
apple air tag
The new and improved Apple Air Tag has a lounder sound and longer range.

Apple

We want to hear how Gen Z's shopping habits are changing. Tell us in this survey.

Tech Insider : Business
clothing racks
Young people are increasingly shopping secondhand.

NurPhoto/NurPhoto via Getty Images

I tried on leggings at Lululemon, Alo, and Athleta. My favorite pair made me feel comfortable and confident.

Tech Insider : Business, Style
A composite image of Chloe wearing three different pairs of leggings.
I tried on similar pairs of leggings at Lululemon, Alo, and Athleta to see which would be best for working out.

Chloe Caldwell

3 watch predictions for 2026 that reveal what buyers want next

Tech Insider : Business, Style
Cartier watch display
Cartier is expected to keep gaining momentum in 2026.

Yuriko Nakao/Getty Images

Lego and Pokémon released a $650 collab, and resellers are already vying to get a bite of the market

Tech Insider : Business
Venusaur, Charizard, and Blastoise Lego set is assembled on a wooden desk.
Lego Pokémon's Venusaur, Charizard, and Blastoise set.

The Lego Group

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