Phantom (1st gen. with velcro’d telemetry card that only worked occasionally), Inspire (the most amazing drone but sold all the batteries with the backup I1), Mavic 2 pro, Mavic 2 Enterprise advanced (now sold, only purchased for a specific job)...
In CANADA before 2019, you had to obtain an SFOC (special flight operations certificate, similar requirement for flying a manned home built airplane) to fly in controlled airspace (D, C and E) typically 65 pages, followed by about a month wait...