If you wish to switch to Advanced Shipping instead of including the shipping cost within the product cost, first you will need to complete the below. 

    Step 1. Delete the Free Shipping Profile you created here: https://shopify.com/admin/settings/shipping 

    Step 2. Navigate to the Greeting Card Product in your Shopify store and set a new cost per card. https://shopify.com/admin/products

    Step 3. Setup Shipping Profile and Rates here: https://shopify.com/admin/settings/shipping

    You will find details on how to set up the Shipping Profile and rates here: https://help.cardzware.com/support/solutions/articles/101000444908

Related Articles: 

• Create/Manage Shipping Profiles & Rates directly in your Shopify store
• Setup a free shipping profile for Greeting Cards in your Shopify store
• What does Cardzware charge for each card sold on my website?