About Marie Clark

Big Box & Wholesale Club Shopping Expert

Marie Clark is the founder and managing editor of CostContessa. She also created and manages multiple Costco social media platforms including Organic Costco Life, CostContessa New Costco Finds, CostcoMoms FB Group, and more.

Marie has been featured in a Sam’s Club Commercial, Access Hollywood Live, and frequently quoted by media as a “Costco shopping expert” and “expert Costco shopper.”

She’s been a Costco member for over 22 years, a Costco influencer since 2019 and is frequently featured in news and articles for her savvy shopping strategies, money saving tips, and favorite items.

As seen in:

Recent Media Featuring Our Costco Tips, Big Box Retail Expertise & Social Media Channels

CostContessa.com is a treasure hunter of all things food, home, family, travel and #reallife – reporting on all the best new Costco finds and deals.  From food to electronics to travel packages, we’re testing and reviewing all things Costco to help members shop smarter and save money!

We feature and review products and services from Big Box retailers including Costco, Sam’s Club, Amazon Fresh, Whole Foods, Kroger, Walmart, Target, Costco Travel, Hilton, Home Depot and more.

New Costco Finds & Honest Reviews

All opinions expressed on costcontessa.com are expressly our own opinions. We are not affiliated with or sponsored by Costco. We strive for helpful, honest reviews and we encourage you to share your opinions on all of our reviews (especially if your opinion is different than ours!). We truly enjoy featuring and reviewing interesting food, new products, home services, shopping tips, recipes, home decor and family travel and we hope our reviews and money saving tips are helpful to you!

Our Closest Local Los Angeles Costco Warehouse Locations:

  • Culver City/Marina Del Rey, CA
  • Hawthorne, CA
  • Burbank, CA
  • Van Nuys, CA
  • Inglewood, CA
  • Northridge, CA
  • Torrance, CA
  • Woodland Hills, CA

Prices can differ between warehouses and regions, our region tends to have the highest prices…if your warehouse has a different price than we report, please comment on the post to tell us or use the form in the sidebar to let us know so we can add it!

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From social media shares to curated editorial content, we offer a multimedia platform to help you connect with Costco members.

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Brand Partnerships

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  • Kinder’s
  • Kevin’s Natural Foods
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  • La Mura Wines
  • That’s It
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  • Oral-B
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  • Private Selection
  • Disney Channel
  • Monster Jam
  • Nickelodeon
  • Disney on Ice
  • Harlem Globetrotters
  • Box Tops for Education
  • Paw Patrol Live
  • Google
  • Walmart
  • Kroger
  • Ralph’s
  • Chewy
  • Janie & Jack
  • Knott’s Berry Farm
  • Premium Outlets
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