The practice of medicine in twelve sky2 is very similar to real life: all of the respect, none of the money. Seriously, you are looking at one of the poorest professions in all of the game. The economy of a healer is based largely on 12sky2 Gold. Most players believe they are entitled to free healing since they are giving you free experience, and very few tip in general. Initially, when I played I read a beta FAQ that suggested asking for five credits per wound point healed. The amount of shun I received was so great that I learned a valuable lesson about twelve sky2 Gold in 12sky2. To this day, other doctors have reminded me of that shame in meetings of our colleagues. Do not make that mistake.
Never let a patient go unhealed unless their offense against you is great. This does not mean that you can not put people typing in all caps, speaking d00dish or l33t, or cursing you until you heal them at the back of the line. This also does not mean that you can not give priority for those who are willing to tip. It is the truth that harvesters require money, power generators require money, factories require money, and if you are in the clinic all day then you can not go out to get the money.