You feel you were overcharged by $200, but you left a $100 tip??
That'll teach him ... NOT
1 hour prep, 30 minutes lunch, 15 minute break each hour, I'd look for another artist. I don't want to sit for 6 hours to get four hours worth of tattooing. Also, every time he takes a break, you have to get into the zone again. My guy usually goes about 2 hours between breaks.