Shipping Expectations | Shipping Credits | Ships-From Location | Shipping Internationally. Amazon.ca Marketplace sellers ship items directly to buyers. When a purchase is made, Amazon.ca processes payment and credits it to the seller's account. Sellers must ship within 2 business days after the order is placed. Shipping Expectations. Amazon.ca seller are expected to ship all orders within 2 business days of the date the order notification is made available by Amazon.ca. When you offer a certain shipping option, you can deliver your order using any carrier and method, as long as the buyer receives their package within the expected timeframe for the shipping service they selected. All sellers are required to offer standard domestic shipping.