In Frontend

Once you set custom options and save configurations for all the products you required, you can see Custom Options Absolute Price enabled on the frontend on the product page. Customers need to select various custom options based on their requirements.

Custom Options Absolute Price on the checkout page: Once customers choose all the options, quantities and add the product to cart, Custom Options Absolute Price can be seen on the checkout page.

When a customer selects One-off charges, it is easily applied on the product page, and the product price gets updated accordingly.