Most charge by hour about $40, but your better off asking for a price on the whole piece so they wont take their sweet ass time and rack up the price on you
are you fucking retarded?
any DECENT shop charges between 125-150/hour, if you want to get tattooed by the more well known artists such as Brandon Bond or Sean Herman they charge between 200-300/hour.
full sleeves usually take between 35-40 hours each, back pieces usually about 15-20 hours, chest/sides usually between 8-10 hours.