The fact that you actually believe the crap you post has always be a source of amazement to me.
So let me see if I have this correct. Ships come from Europe bearing imported goods, sail into New York, unload, pay the tariff, load onto a different ship, sail to the Southern ports, and unload again. In the mean time those European ships, having unloaded in New York, then sail to southern ports empty in order to load up with cotton and sail back to Europe. And that makes sense to you?
The navigation act of 1817 made it unprofitable for foreign ships to go to Southern ports. That's why getting out of the deal would have been such an economic boon to the Southern port cities. It would have also reduced shipping prices between ports because north eastern owned shipping companies could no longer gouge because they had a monopoly.