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
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.