If your looking for a good introduction to customer service, welcome The Guest into your video library. Shop the site at your own pace. This will add the item to your shopping cart. If it's your first item, it will prompt you to enter the shipping method you would prefer. After that, each time you add an item it will take you to your cart and show you what's in it.
Nothing is final until checkout.
You can add and delete as if you were walking the isles of a supermarket.