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.
Depending on your tattoo, you may need anywhere from 1-10 sessions, each costing in the range of $250-$850 per session. A large, professional tattoo in color could cost thousands of dollars to remove, and the effectiveness of the removal still isn't guaranteed. Intense Pulsed Light Therapy.