Yes, yes, yes.
Ever since the terrorist incident from 2003 when an italian sold poisioned compost to farmers and killed crops, the government has required all those selling worm compost to get a permit. This only apples in California though.
To sell chicken eggs locally in New York State, you need a sales permit. You can apply for this through the state's Tax Department.
No you don't need a permit
do I need a permit to sell things in Wisconsin off the street
No
Yes
No it is not necessary to have a business permit or license to sell merchandise at any kind of convention.
do we need a permit to sell snowcones for one day..
Hell no
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.
no you don't
Yes.
To determine if you need a permit to sell food in your area, contact your local health department or city government. They can provide information on the specific regulations and requirements for selling food in your location.