I took the same grocery list to Walmart, Kroger, and Amazon to compare prices. After filling my carts, I found a winner.

Tech Insider : Business
Woman smiling outside of Walmart
I compared grocery prices at Walmart, Kroger, and Amazon using Walmart's recently price-dropped items as my guide.

Savannah Born

I'm a personal trainer who's been shopping at Trader Joe's for over 10 years. Here are 9 items I always buy.

Tech Insider : Business
A composite image of cans of beans on a shelf at Trader Joe's, and a bag of Trader Joe's mild cheddar cheese sticks.
Canned beans and cheese sticks are some of my favorite things to buy at Trader Joe's.

Ashley Martens

I started grocery shopping at Dollar Tree to save money. Now, I swear by these 11 items I've found for under $1.50.

Tech Insider : Business
Assorted packaged groceries and pantry items from Dollar Tree are spread across a kitchen counter.
I've saved a ton of money by grocery shopping at Dollar Tree.

Ashley Archambault

I tried 35 of Trader Joe's seasonal summer products, and there are only a few I wouldn't buy again

Tech Insider : Business, Style
A collage of Trader Joe items
I tried 35 summer items from Trader Joe's.

Savanna Swain-Wilson for BI, Abanti Chowdhury/BI

I'm a single woman who grew up shopping at Aldi. Here are 11 items I always add to my cart.

Tech Insider : Business
A cart full of groceries from Aldi.
I love stocking up on my favorite grocery staples at Aldi.

Kachelle Pratcher

Aldi's 'blind box' giveaway for free groceries sold out in minutes

Tech Insider : Business
The exterior of an Aldi grocery store
Aldi's free "Blind Boxes" with mystery grocery themes quickly sold out on their first day, leaving fans frustrated.

Al Drago/Getty Images

I've been shopping at Trader Joe's for over a decade. These 10 items are always in my cart — and cost less than $5.

Tech Insider : Business
A composite image of jars of Trader Joe's crunchy peanut butter, and a box of Trader Joe's buttermilk protein pancake mix.
Whenever I shop at Trader Joe's, I grab a jar of peanut butter and a box of buttermilk protein pancake mix.

Ivy Carbone

I live in a tiny NYC apartment, but still shop in bulk. Here are 8 things my roommate and I always buy at Costco.

Tech Insider : Business, Style
A side-by-side image of several boxes of Spindrift sparkling water and multiple containers of Amylu organic chicken burgers with caramelized onion and aged white cheddar.
Costco has a great selection of bulk items that still fit in my small New York City apartment.

Morgan Hudgins

I drive from Canada to the US to shop at Trader Joe's. These 9 items make the trip worthwhile.

Tech Insider : Business, Style
A woman standing outside a Trader Joe's.
Trader Joe's frozen foods and sweet treats make the drive from Canada worthwhile.

Karen Habashi

I'm a dietitian and mom of 2. These are the 9 Trader Joe's staples I buy to make healthy meals in less than 30 minutes.

Tech Insider : Business, Sports
Ana Reisdorf family on the couch
On busy night, I reach for Trader Joe's entrées and sides to feed my family.

Ana Reisdorf

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