Bolder Fees for WooCommerce
Create custom fees, flat rates, percentage, etc on any product you want for the customers. These custom fees can depend on various factors like subtotal, the number of items purchased, a particular item, etc. You can customize the options of this plugin within the Woocommerce setting page under the Fees tab. The usage of Bolder Fees can be done in various ways to improve the efficiency of your checkout pricing.