Sliding scale for price

Hello everyone.
Ever heard of sliding scale pricing. A client mentioned it to me yesterday and I think it’s a fantastic idea. I had not heard of it before but I believe it could be the way to make nutritional therapy accessible to a lot more people, the answer to my prayers.
How does it work? Instead of asking for a fixed price per session, I would offer a range such as sliding scale between £15 and £45 for the initial consultation (typically one hour long) and sliding scale between £5 and £35 for further sessions (typically half hour long). Clients can relate to their own situation and pay what they are comfortable is suitable for my service and/or what they are happy they can afford within the offered range.
What do you think? Is that something you would be glad of? Would you like to be offered the opportunity of nutritional help this way?
I will be glad to help. Get in touch if you need more information or to book your appointment.