The merchant advertises the product, collects cash from the buyer, pays the drop ship provider and the drop shipper delivers the item to the consumer. First quest would be to get a wholesaler/supplier of your products. Track and audit all your drop shipping money. https://Hill724.Shippedexlogistics.com/__media__/js/netsoltrademark.php?d=medium.com%2F%40mirthful_lait_lizard_7%2Fbest-shopify-dropshipping-apps-to-automate-your-business-620bd90ecdfb