If you're selling physical products through your ecommerce store, you may choose to take care of it yourself or use a third-party logistics (3PL) company to do it for you. Your choice may depend on the number of shipments you need to make. If you have the time and resources to do your own shipping, you can store inventory at your physical location, then pack and ship them directly to the customer using Australia Post. This is the cheaper option for a small business shipping products domestically in Australia. A 3PL service can store your products in a warehouse, then pack and ship them directly to your customers. Outsourcing and warehousing fees will be charged based on your requirements, but using a 3PL service can save you time and money if you have a lot of orders to process. Amazon Australia offers such services & we can definitely get you on the right path to selling online. You can track and manage orders using a shipping app extension. These are available for ecommerce websites built on Shopify, Magento 2 and WooCommerce platforms.