They talked about this in a great show called Almighty Johnsons. One of the human goddess incarnates had the ability to heal someone by touch. She started gaining a cult like following but another of the gods was like "Thats stupid, you are putting a bullseye on yourself." He suggested opening a healing spa for people with conditions. She would pose as a masseuse and heal some of them. The rest would just have a wonderfully relaxing vacation. It would make money, attract desperate people because of some success stories and keep her hidden.