From those luscious croissants to the famous $1.50 hot dog combo to discount perfume, this is the Costco item you can't live without—and why.

That sink water might be doing more harm than good—here's what a microbiologist and a flight attendant want you to know.

Warning: Contents may include rancid oil, too much salt and a dash of sadness. Here are the Kirkland canned items you should skip at Costco.

Ignore this travel advice at your own risk! Here's what you need to know before your next trip through airport security.