Great Grey Beard, if a business owner wished to create a permanent teleportation circle to transport goods into the Deep, would he seek permit, and who from if so? The wards would prevent such a thing from functioning properly.
Or at least that's what everyone in Waterdeep's been told for centuries, likely to prevent them trying.
So if the business owner thought it would work, he or she would likely try it in deep secrecy!#Realmslore

— Ed Greenwood (@TheEdVerse) October 7, 2020