There are quite a few ways to cover the expense of DHS drug addiction treatment. One payment method you may discover is a sliding fee scale (fee is based on earnings and other variables). This indicates that the rehab adjusts their fees based on the client?s revenue, yearly taxes and other financial components; in the end, the cost that one individual pays might not be the same as another. There are a number of reasons why a drug rehab would choose to offer a sliding fee scale to their clients. They may pick to help out an addict who would normally not be able to acquire treatment. Another reason for providing this payment selection is that it offers the treatment facility with a tax deduction on the merit of donating their services as charity.