If you intend to sell them from a stall, you will need a street traders licence.
Yes Because to sell something any thing at all you need a licence even to sell food
No you do not
NO
no way you dont need a licence to sell mistletoe's
yes you need a licence to buy and sell in canada
no any one 10 and older can have a paint ball gun
Yes
You don't need one to breed and i don't think you do to sell.
yes
With great difficulty
No, it dose not you can sell it anywhere you want with permission.