To cancel your order through Costco.com, simply follow these steps:
- Select My Account in the upper right-hand corner of the Costco.com homepage. You can log into your account through Sign In / Register.
- Open My Orders.
- Find the order you want to cancel, and click the Cancel Order button.
- Please note that this button will only appear if it's been less than 1 hour since you placed the order.
- Then, select the reason for cancelling, add any comments if you want, and click Cancel Order.