Yes.

No, only apex domains are transferable.

It verifies ownership during transfer.

Yes, domains often cannot transfer within 60 days of purchase.

Yes, after eligibility requirements are met.

Yes, through providers like Google Workspace.

Shopify itself does not host email inboxes.

Usually a few minutes to 48 hours.

The secure certificate is still being generated.

Yes, through Shopify Payments and Markets.