I often amazed by Shopify as it often offers various kind of documentation and support material to empower store owners / eCommerce merchants to know their business better and how to run their online store more effectively. Recently I receive a note from Shopify that there is a video series which is developed by Ezra Firestone of Smart Marketer, he shares his success business use-case and I find it does bring out some points that I lack of language power to illustrate, here you go: