Shri Mataji, the founder of Sahaja Yoga, had a policy of never charging money for teaching the techniques she developed. 

See the beautiful area you have in Canberra, now the autumn has come. Autumn comes, the beautiful colors of ochre, this, that, I’m just enjoying. All that comes by itself, the seasons come by itself. You don’t pay anyone for that. You don’t pay the Mother Earth for giving you these flowers. In the same way when you have become a human being, you have not paid at all for your evolution. Then how can you pay for a higher awareness? Is a logical thing you should understand. You cannot pay for this living process, and nor for this knowledge. All right, you can pay for this hall, is all right; but you cannot pay for this happening. You cannot pay for anything that is divine.

- Shri Mataji, 13th April 1991, Canberra, Australia
https://learnsahajayoga.org/en/post/6598

In keeping with this, we also do not charge for the online and in person meditation classes that we hold, whether they are beginner, intermediate or advanced classes. All the knowledge and techniques that Shri Mataji taught are freely available to anyone who is interested. 

All those involved in running the classes volunteer their time to do so, and any expenses incurred are paid for by donations. We volunteer our time and resources because we feel that we have benefitted immensely from practicing Sahaja Yoga meditation and we enjoy passing the techniques on to others.