A former Costco employee shared tips for using Costco's price code system, advice for shopping sales, and hacks for saving money at Costco.
There are plenty of killer deals to find at Costco, but shopping smart is key to saving the most cash.
Business Insider spoke to Tess Robison, former Costco employee, to figure out how to get the best deals at the members-only wholesale giant.
Here are some of the top ways to save money at Costco and maximize your membership.