Quote Originally Posted by drone View Post
Along the same lines of removing ship trade, has anyone tried adding upgrades to the Port building line? I could see adding a 2-3 upgrades to the line, with cathedral income offering the incentive. Ports have a hardcoded nature about them though, so I'm not sure it's possible.
IIRC this stops the trade/imports income from working. It would still be worth a try though.

Personally I would be inclined to leave the standard port as is and then improve the dock/ship yards adding any income to them. The trading posts function as a sort of upgrade to ports anyway.