Thats right Dev. The price i mentioned is the very basic program. It's for 1 night with only simple chairs (i brought my foldable deck chair with me) and some matresses, some fruits and with one broth soup in the morning, you have to bring the stuff you want to have around you.

And as Dev said, there are several days programs with detoxification and rituals, that would cost more. Or you do the full package for genuine scholars. You can even stay some time with the tribe in their village.