I know for sure that some people do exactly that.I have learned to play poker since I was 10 years old, I think it would be good to learn poker as a child and if it goes well, then from the age of 18 you can start making money
It is better to teach children how to earn money. For example, to go shopping on behalf of neighbours, for milk, bread or whatever is needed. Or run other small errands or do the cleaning. Then you can create your own home system of taxation of children's income, and even take rent from children for living in an apartment. And you can use this money to play in buy-in tournaments.I have learned to play poker since I was 10 years old, I think it would be good to learn poker as a child and if it goes well, then from the age of 18 you can start making money