An alternative trip is renting a houseboat from the marina at Fulton, Ms, going up the Tennessee-Tombigbee Waterway to the Tennessee River, to the Ohio River(Paducah, Ky), to Lower Mississippi River (Cairo, Il), to the Industrial Canal (New Orleans, La), east on the Gulf Intracoastal Waterway to Mobile Bay and north to the Tenn-Tom Waterway (Mobile, Al), and north to Fulton, Ms.

That is a great trip with outstanding scenery!!
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QMC, USCG (Ret)
The best luck is what you make yourself!