Yes you have to
yes you do. Since Florida is in USA and you obviously need a license in USA to sell lemonades :)
yes
Yes, you need a business license to sell firewood in California. All people selling items to make money need a business license.
Yes, you need a license to sell cigarettes.
Yes, you need a license to sell cigarettes.
You do not need a license to sell clothes. You may need a license to sell on the street or in a store. It also depends on the volume of your sales.
If you sell even 1 car for a profit you need a dealers license. If you are selling them at a loss then you need no license but what would be the point of that.
Though you do not need a license to specifically sell diamonds you do need a jewelers license to sell diamonds. If you want to sell diamonds it will require you to fill out applications for a jewelers license once you have completed that you are eligible to sell diamonds.
Well, isn't that just a happy little question? In London, you may need a license and permit to sell lemonade in a park, as rules can vary depending on where you are. It's always a good idea to check with the local authorities to make sure you're following the guidelines and spreading joy in a responsible way.
No you don't need a license to sell mullet.
No you don't need a permit
Selling lemonade that you made yourself and are not trying to make a business out of is legal, but if you want to have a business in that kind of stuff, you need a permit/license to sell.