Magento 2 by default lacks some functionalities to manage product options effectively on an online store.
If you want to develop a flexible pricing strategy for specific items you can install the Custom Options Absolute Price for Magento 2 by Ulmod.
The module extends the default Magento 2 customization option by adding absolute pricing for any product. You create an unlimited number of absolute price per product and provide a different type of charges via the custom option of the main product. Also, the absolute price will appear at the shopping cart and checkout page under the custom option. Continue Reading