Looking To Get First Tattoo.....Show Youre's

Looking to get first tattoo guys, before I get one is their anything I should know other than its going to be part of me for life. Ok dont make fun of me but im a huge Wizard Of Oz fan and getting the faces of. Dorothy, Tin Man, Lion, Scarecrow, The Wizard and Toto, Witch and a Monkey, the Good Witch and a Munchkin. Their going to be on each lower leg behind the calf and the side of the calf. it should look pretty freakin sweet when its done !