I worked at Costco for almost a decade and still shop there for my big family. Here are 8 products I buy every week.

Tech Insider : Business
Man behind partially filled shopping cart in Costco Aisle
As a former Costco employee, there are a lot of must-buy products and delicious staples I get at the chain each week.

Jesus Sanchez Garcia

I'm a dietitian who stocks up on these 10 foods at Costco so I can fill my daughter's lunch box in 5 minutes or less

Tech Insider : Business
Lauren Manaker and daughter at table
I've come up with nutritious lunch recipes that my 10-year-old will actually eat at school.

Lauren Manaker

I lost over 60 pounds last year on a tight budget. These 7 Costco products helped me do it.

Tech Insider : Business
A box of Kirkland Signature sous vide egg bites.
Kirkland Signature sous vide egg bites are one of the many Costco items that helped me lose weight.

Jordan Fargo

I'm a 65-year-old fitness trainer who stocks up on healthy foods at Costco. These are the 11 products I swear by.

Tech Insider : Business, Travel
Janet Osborne in front of grocery cart at Costco with Rao's inside
I shop for kitchen staples at Costco.

Janet Osborne

I've been a Costco executive member for 11 years. These are the 6 products I'll always buy there.

Tech Insider : Business
Towels and vitamins at Costco.
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Allison Lau

I'm a competitive swimmer who follows a high-protein diet. Here are 7 things I always buy at Costco.

Tech Insider : Business
A composite image of packages of Kirkland Signature stuffed salmon, and packages of Rastelli's grass-fed ground beef.
The Kirkland Signature stuffed salmon and Rastelli's ground beef are some of my favorite high-protein foods from Costco.

Jordan Fargo

I'm a dietitian on the Mediterranean diet. Here are 10 things I buy at Costco when I'm trying to eat more fiber.

Tech Insider : Business
frozen three berry blend at costco
As a dietitian following the Mediterranean diet, I'm always looking for simple, delicious ways to up my fiber game.

Cassandra Padula Burke

I've had a Costco executive membership for nearly a decade. There are 10 purchases I swear by every time I shop.

Tech Insider : Business, Style
Author Blythe Chadim at Costco holding executive membership card leaning on cart
I've been shopping at Costco for my family for years using my executive membership.

Blythe Chadim

I'm an executive Costco member and mom of 4. Here are 9 items I always pick up during my shopping trips.

Tech Insider : Business
A woman standing in front of her car full of groceries in a winter coat covered in snow.
 As an executive member, I know all the best things to buy for my big family at Costco.

Olivia Brochu

I'm a dietitian on the Mediterranean diet who loves Costco. Here are the 10 best things I bought there this year.

Tech Insider : Business, Style
Carts outside a Costco.
Costco is known for having some great deals.

Mario Tama/Getty Images

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