This is an example of how to display "Free shipping when you leave a certain amount" on the cart screen without using an app in Shopify. Some themes update the total amount without reloading the cart screen when changing the quantity or deleting an item, so it's better to change it dynamically with js rather than Liquid.
Uses the theme "Dawn". Supports real-time calculations based on changes in cart quantities.
Add a "Customized Liquid" section to your cart screen and enter the code
