This article explains how to offer free shipping for products synced to Etsy from Gelato.
Setting Up Free Shipping for Etsy Products
You have the option to offer free shipping for any product you push to Etsy from Gelato. During the product addition process, check the box next to Display with free shipping on your storefront.
Important Considerations
While you can display your products with free shipping, remember that you're still responsible for covering the actual shipping costs. It's recommended to factor in the shipping cost when determining your product prices to ensure profitability.