Some other rules for TN:
Your retail location cannot sell malt-based with wine/liquor. I know a guy who owns a large gas station; he wanted to sell liquor there too, so he had to put a wall with no door, add another door to the outside, and set up separate building addresses. You can sell mix (malt-based, low alc. content) and the rotgut stuff like Boone's Farm with beer.
There used to be a strict rule for supermarkets about not selling wine, some of the really large chains have been able to get exceptions, particularly around the holidays.
Your location must either be classified on-premise or off-premise. On-premise locations, like restaurants, can serve any kind of drink, but in cases where they bring you a container, they must open it before serving. You can't take it outside, except for outside dining areas.
You can't bring firearms into a bar. I don't know about restaurants or liquor stores.
In Louisiana, unless it's changed recently, 50 mL 'airplane' bottles are illegal. But you can go to a drive-thru and order a daquiri.