This disorder is associated with several vascular, neurological, and skeletal problems including stroke, heart attack, clotting, mental retardation, eye abnormalities, and osteoporosis, amongst many other complications.
Tattoo tipping etiquette, in general, should hover around 15% for small tattoos and 20% for larger tattoos, but as with all tips, you as a customer ultimately determine the amount based on the quality of service and the work performed. Consider your involvement as well.
Usually, tattoo artists charge by the hour for tattoos. Costs can be as low as $75 or they can be $150 or higher. In large, metropolitan areas, tattoos generally cost more. Some other factors that influence cost include size, tattoo location, design complexity and color.