How to add Advanced Rules for Category Subtotal Hide Shipping Method

Let’s say that you have 10 products in a category that require special handling because of their fragile nature. You have two shipping methods for this-

1. Free Special Handling 

2. Special Handling

As a shop owner you might want to extend this special handling facility for free when a customer purchases high value item/ items or the total shipping cost incurred for such an order is low. Here, category subtotal Advanced Rules can be added as shown below-

Now, hide the ‘special handling’ shipping method for these buyers so they can avail ‘free special handling’ option without any ambiguity.