You are right, anyone that is scared to lose money in gambling should not gamble at all because the person is not yet prepared to enjoy playing. Gambling comes with both profit and lose, and anyone that wants to start gambling must make up their mind to enjoy the both outcomes but If they are not ready, they need to go and look for a sustainable source of income where they work to earn and not risk to lose.
one thing most people fail to understand is that there is no business that is risk free like wise gambling however the risk involved in gambling is very high so gamblers are expected to know or ought to have learn how to manage risk associated with gambling.so were ever one stand to make profit there will definitely be risk of losing money that's were the saying comes in when there is nothing to gain there is nothing to lose.
If I were you, I wouldn't mention "business" where gambling is being discussed, they are not of the same class and the risk in gambling is hugely insane. Above all, the right budget and management are key, we can gamble always and still not break the bank, that's why the needed discipline is important, there must be no desperation for the money in gambling and the money we commit to it must be such that we can afford to lose.