Using your Promo code is pretty easy. Click on "Show Coupon Code" and copy the code.
Let's start saving. This is how:
1. Go to Costco.com.
2. Sign into your account.
3. Search for your desired item and its specifications from the categories.
4. Select your preferred item by clicking on it. A new page appears.
5. On this new page click on "Add to cart" and "View cart". Next page opens.
6. On the next page click on "Proceed to Check out".
7. Fill in your Delivery details and Shipping details.
On the next page on the left side of the page, scroll down under payment method type in your code to the field "Promo code".