Isn't setting the amount to bet part of our financial management? especially in gambling, we really have to have financial management, yes, its function is to manage existing risks. This is to minimize the possibility of risk and increase the level of possibility of gaining profits. And, financial management is also to prevent ourselves from gambling addiction.
Because, if we don't set the funds, we will accidentally spend money again and again without caring how much money we have spent. And this is the danger that can drive and trigger us to become addicted without us realizing it.