I remember during one of the many online webinars, they distinctly said they didn't have Assemblies.  One of the many reasons, we didn't end up switching and are sticking with QBPOS and moving merchant accounts.  There might not be a perfect solution...

Is it your understanding that after doing this you won't have to retag the items with the old  pos tickets?  

Thank you so much for posting this.  We are on the fence about switching from QB POS and I've been trying to watch all of the Shopify demo videos.  Saw one on printing tickets and thought "Surely, it cannot be this difficult to print tickets for a PO...