It all depends what you selling but I think you still need a licence.
Yes because illegal without a license
You can sell 4 without a license.
In NYC, you are allowed to sell artwork and literature without obtaining a vendor's license.
Yes, you need to be licensed by the local authority.
You can sell 2 without a license. Once you sell that 3rd car you need a dealers license.
You can sell 4 in a 12 month period without a dealers license. Sell that 5th vehicle and you need a dealers license.
You can sell up to 4 without a dealers license.
You can sell 4 without a license.
No, you can sell parts without a license unless you are in a city that requires a business license.
no
You can sell up to 5 vehicles each year without a license.
The state of Arizona will let you sell four vehicles annually without a dealer license.