There are several ways to cover the expense of Gilman drug addiction treatment. One payment method you may uncover is a sliding fee scale (fee is based on income and other factors). This implies that the rehab adjusts their charges based on the client?s earnings, yearly taxes and other financial variables; in the end, the cost that one person pays may not be the same as another. There are many 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 acquire treatment. Another reason for offering this payment option is that it offers the treatment facility with a tax deduction on the merit of donating their services as charity.