To hide price of a product on Store/Category Page + Product Detail Page, you can follow these
#1. First, edit a Product
#2. Assign a tag with the name: no price
#3. Use this code to Custom CSS box
/* hide price */ .tag-no-price .product-price { display: none !important; }
#4. To hide the price on the Cart Page, you need to do these
First, find the product URL, in my example, we will have this
Next, use this code to Custom CSS box
div.cart-row:has([href="/store-2/p/country-feast-set"]) .cart-row-price { display: none !important; }
Result: