How Selling Price setting works
Keep in mind that this option has no impact on products that are already in your Shopify stores.
Let's suppose the selling price setting is enabled and the "Multiple" value is set to 2.
If a Taobao product is 10$, the purchasing fee is 1$, and local shipping costs 50cents, when you import the product into your Dropast list, the selling price is automatically set to 23$.
Before importing the product into your Shopify store, you will, however, be able to edit it