There are many ways to cover the price of Twin Rocks drug addiction treatment. One payment method you may come across is a sliding fee scale (fee is based on earnings and other aspects). This indicates that the rehab adjusts their fees based on the client?s revenue, yearly taxes and other financial components; in the end, the expense that one particular client pays might not be the same as another. There are a number of reasons why a drug rehab would select to provide a sliding fee scale to their clients. They may pick to help out an addict who would in any other case not be able to acquire treatment. Another reason for offering this payment possibility is that it provides the treatment facility with a tax deduction on the benefit of donating their services as charity.