Many people today, even in church lobbies, are selling high-priced nutritional supplements through network marketing schemes.
Remember the Bible story of Naaman (I Kings 5)? He was an important man in the Syrian army, and he had leprosy. Every Syrian treatment had failed, including all the alternative methods. But then a little slave girl suggested the prophet of God who lived in Israel, an enemy country. Naaman's king gave him permission to visit this healer, and sent along fabulous gifts.