The initiation of the mind, the knowledge, comes from Self. It cannot be taught, but it is to be remembered. The training therefore, is passed down to the people who are ready to recall their souls' purpose, and is always free.
As we moved away from the ancient Rishi & Vedic system, the present society operates with monetary transactions. The investment for each workshop reflects our facilitation cost, and is never about making a profit, but an exchange of energy.