There are many ways to cover the price of Bolton drug addiction treatment. One payment method you may come across is a sliding fee scale (fee is based on earnings and other variables). This implies that the rehab adjusts their fees based on the client?s revenue, yearly taxes and other monetary variables; in the end, the expense that a single individual pays might 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 select to help out an addict who would normally not be able to obtain treatment. Another reason for supplying this payment possibility is that it offers the treatment facility with a tax deduction on the benefit of donating their services as charity.