Costco is a wholesale club that requires a membership fee to join. They offer discounts through their monthly coupon booklet that is mailed to members' homes or through the Costco app. These must be presented to the cashier during checkout to receive the discounts.
Below is a comprehensive list of sale items at Costco. Some of these prices may be regional so be prepared as you are shopping.
To create a customized shopping list, select the box next to each item you want to purchase.
Disclosure: This post contains a link to an affiliate and support this site. See my Disclaimer Policy for additional information.