Set one Method to the Item Price

In this example a product has been assigned a “Per Item Shipping Price” of 10. The objective is to replace the “Ground” live rate with the price of this item.

The “Shipping Price Field” setting has been set to  “Surcharge price only when rule matched in CSV”.

Here is the CSV file used for this example:

With this, “Ground” will display a rate of 10 per quantity increment in the cart.