Why are the charges for criminal cases low? What is the most profitable civil case?

The trial procedure is fixed and involves a higher amount of compensation. The low fees for criminal cases are mainly due to the relatively fixed trial procedures of criminal cases, and the relatively small workload and time required by lawyers, so the fees are relatively low. As for which case is the most profitable in civil cases, because different types of cases require different workload and time, the lawyer's fees will be different. But in most cases, the lawyer's fee will be higher in cases involving higher compensation.