As far as I'm concerned, many dropshipping or product sourcing apps don't support import the supplier product's cost to Shopify's Cost per item field.
@ShopMaster_ERP Thanks for the reply. I think you are correct about that but Shopify's approval team wants us to implement this feature on our app so I was asking the question to make sure that this is the field that they want us to update when we import the product into Shopify.
This is an accepted solution.
Elias here with Shopify Support. Thank you for reaching out.
That's correct! The Cost per item field in the product details represents the Cost field for product sourcing or, as @ShopMaster_ERP suggests, the supplier's cost of an item when importing a product from a third-party app. Though the cost was optional before and not as widely used, it's important to note that the requirements for public apps are subject to change. Moreover, the cost field is also beneficial in helping merchants with their reporting and/or calculating their profit margins.
I hope this helps! If you have any other questions on this topic, don't hesitate to let me know!