http://www.walmart.ca/en/help/returns/returning-an-online-order
这是walmart网站提供的退货方法:
How do I return something I bought online?
There are two easy ways to return an online purchase:
1. Return any purchase to a Walmart store.
Anything you bought online can be returned in person at a Walmart store. Bring the item along with all original accessories, packaging, and your packing slip and/or email confirmation to a store. Easy! If you do not have your eCommerce packing slip and/or email confirmation, you will need to provide your name, email address, and/or order number, so the store can verify the order information with Customer Service.
2.Return online purchases by mail.
If you would like to return an item purchased on Walmart.ca by mail, please call Customer Service at 1-800-328-0402. We will email you a returns shipping label (with instructions) that you can print out and stick to the box. Please pack your item carefully, along with all original packing materials, accessories, and the original packing slip and/or email confirmation. Once the item has been received back to Walmart, refunds will be issued to your original method of payment and will appear on your account within two billing cycles.
Usually, you can drop the item in the mail at any Canada Post mailbox. Larger items will be eligible for a “call tag”, which means someone will come to your house to pick up the item. In this case, you’ll need to schedule a pick up time with the carrier. And one more thing — if you choose to return your purchase by mail, we’ll cover the shipping cost.