Few hearing-aid companies. Highly specialised product. They can charge pretty much what they want. And they do. The retail price has a very sizable level of ove

Few hearing-aid companies. Highly specialised product. They can charge pretty much what they want. And they do. The retail price has a very sizable level of over-charging built in, and many times the client is talked into a product which is much more costly than the one which is necessary. (The place I worked at many decades ago used to be an agent for one of the major hearing-aid companies.)