Job at tattoo shops...........?

ok so im 15 and i will be 16 on october i really want a job so that i can get out of the house and so i can move out at 18 but i need the money so i wana work at a tattoo shop mainly because i find that kind of think to be amazing. umm dose eny one kno how old you have to be to work at one? im ok with the lowest job there i just want to work. and do u kno eny one that would let me work thats in san antonio?