No. 5: Too Small
"Be careful not to get something too small or where it doesn't fit that part of the body well."
No. 4: Cheap Tattoos
"Good tattoos aren't cheap and cheap tattoos aren't good. Far too many times, people choose an artist based on price. That should be the last priority on your list when it comes to getting a tattoo."
"Don't look for a bargain!"

No. 3: Ode to a Lover
"Don't be overly romantic. Sorry, that tattoo is going to out last most relationships — much as I hate to say it."
"I don't think lovers' names are a good thing." 

Tattoo Mistake No. 2: Being Impulsive
"Try not to be arbitrary or impulsive — you might regret getting Taz flipping the bird and drinking a beer later."
No. 1: Being Drunk
"Biggest mistake ... being drunk."
"Being drunk leads to the other mistakes on the list." 

citing from LA INK