There are quite a few ways to cover the cost of Denver drug addiction treatment. One payment method you may come across is a sliding fee scale (fee is based on earnings and other components). This means that the rehab adjusts their costs based on the client?s earnings, yearly taxes and other monetary variables; in the end, the expense that one particular client pays may not be the same as another. There are numerous reasons why a drug rehab would select to offer a sliding fee scale to their clients. They may pick to help out an addict who would normally not be able to receive treatment. Another reason for supplying this payment selection is that it offers the treatment facility with a tax deduction on the merit of donating their services as charity.