A sliding fee scale is what a lot of agencies will use in order to make treatment more affordable to lower income participants. This does not apply to those whose income is significant, but their debt is substantial too. The idea is, if you don't have money to pay for classes, provide them with your income verification and they will try to assist you. However, if you fail to qualify because, you've lived above your finances, they can't do much to assist you.
As for the classes, most judges and courts will not be willing to assume the risk and backlash if he abuses you again. You did nothing wrong and you have protected yourself by trying to get help while attempting to salvage your relationship. A PAIP is not a guarantee that he wrong abuse again, but it's beneficial to those that want to learn.

