The commercial hub has traditionally been one of the weakest districts when compared to the Harbor and Industrial Zone. Here is my attempt to buff it. : r/civ
Civilization VI and its Discontents – David Levinson, Transportist
Civilization 6 Gold - the best ways to make money and how to earn Gold fast in Civ 6 | Eurogamer.net
Civilization 6 District Deep Dive: Harbor and Commercial Hub