Legally maximize client's tax refund is qualified CPAs' goal. However, you have to know you will get what you pay. On average, $100/hour for the tax planning charge. Many people in the United States spend $300 ~ $1,000 on their tax return fee in order to get their tax refund $2,000 ~ 20,000. Of course, this case is not for those who are still under f-1 students or H-1 workers.