To say casino gambling is a lucrative business would be an understatement. In 2020, Commercial casino gaming revenue amounted to about $30 billion which is about 30% decline from 2019 due to 2019 covid 19 pandemic. Nevertheless, gambling remains a big business. Ten of millions of people patronize casinos. There are more than 450 commercial casinos on the US. These casinos generated $6.7 billion in gaming taxes for both states and local governments.