Custom tumblers for POD stores: Printful vs Printify drinkware, unit cost math, and the Shopify fee reality
The custom tumbler market is crowded with corporate bulk vendors and B2C photo-gift shops, but almost no one is talking to the POD seller who wants to list a custom tumbler on their WooCommerce store and fulfill it via Printful or Printify without holding inventory. That seller exists, the demand is real (8,100 monthly searches,…










