Why is it whenever you want to do the simplest of tasks on shopify you have to buy a third party app with a ridiculous yearly fee? It's so basic and frustraiting.

I keep getting this error when trying to publish to eBay from Shopify"Failed to publish offer: The eBay listing associated with the inventory item, or the unpublished offer has invalid data in the associated Fulfillment policy. At least one valid pos...

I also have the same problem! I've put years of work into my Shopify and they go and do this?All my products are authentic and I've never done anything Illegal, I can't understand why they didn't do this one month into my business instead of wasting ...