Your answer depends on the venue where you plan to sell.
Yes, you need a business license to sell firewood in California. All people selling items to make money need a business license.
In Massachusetts, unless you are selling through Amazon or something like that, you need a license to sell pretty much anything. Not sure about other places.
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.
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.
No you don't need a license to sell mullet.
No, you do not need a business license to sell Tupperware.
In order to sell plants as a business, you will need to first get a business permit. From there, you will need to get a business license.
You need a license to sell consumer products. The license allows you to collect sales tax for the state on your sales.
You can sell 5 before you need a license.
You do.
Yes. You need an insurance license from any individual state you decide to sell in.
yes you do. Since Florida is in USA and you obviously need a license in USA to sell lemonades :)