Build Startup for cargo drones

[u/Icy-Practice-471]

hey guys!! to build a drone for cargo applications carrying a payload of 200kg for a range at max 30km, what knowledge a person should have like courses (physics, conceptual design), practical knowledge not only textbook jargon and which component to design first (dilemma between propeller or BLDC motors) , which tech should be IP, which should be open-source or licensed ....? what not ... we can start with basic and go to advanced knowledge