No, Only certain online tattoo supply shops require you to have a licence to purchase their equipment. But most don't ask.
yes
no
no
yes, you just need a license
Generally, no.
No.
No ... but their may be an age requirement.
It would depend on what state you live in ... but in most states you would not need a license ot own a softair gun ...
You don't need a gun license if you are 25 but if your under 25 you do need a gun license
just buy it. Its too complicated to make.
Someone looking to purchase a tattoo gun could do so from startertattookit website. Also, someone could purchase a tattoo gun from the sites lightinthebox or tattoomachineequipment.