When Vancouver's downtown Costco recently posted signs announcing people will need an active membership card to purchase food ...

Offering free samples is one way that Costco introduces its members to products they might not otherwise purchase. It’s a ...

High-quality gas at a lower price? A fuel and finance expert helps us explain why Costco gas is so darn cheap.

Costco has quietly implemented a change to its free sample policy. Here’s what we know about the stricter rules and what you can expect next time you shop.

From virtuous veggie franks to outrageous chili-covered giants, this guide puts hot dogs on a flavor and calorie spectrum.

Pepsi is out, Coke is in — and Costco fans are watching closely to see if the $1.50 dog-and-soda deal survives ...