The office, the fees, the cancellation policy is rather like that of other professionals. I am an attorney - I set my fees and clients come to my office and so on. I can choose to bill for things or not (I rarely charge for phone calls for example) as the occasion arises.
I don't see the therapist as all that supportive so I would never look to them for that.
The only power they have that I see is that of wily manipulation at the client - and I take care to guard against that. I think they lie but as I rarely believe anything the woman says - it really does not matter for me.