by Autotech24 EU on WordPress.org
Adds a fixed fee or discount to the WooCommerce cart total based on subtotal ranges, with a customizable label shown at checkout and in the cart.
This plugin allows WooCommerce store owners to define fixed price fees or discounts based on subtotal ranges. For example, you can charge an extra 50 CZK if subtotal is under 500 CZK, or give a 100 CZK discount over 2000 CZK.