Even if your profit margin is not too big, you can still develop a good profit because it's not necessary to together with packaging or shipping those to clients.
There are wide ranging ways of setting your current ecommerce business. https://cooktopcove.com/referral.php?url=http%3A%2F%2Fmedium.com%2F%40mirthful_lait_lizard_7%2F5-mistakes-to-avoid-when-setting-up-shopify-dropshipping-2edf9d98ff0c&aid=59186