To earn is an ability, to care and share is a valuable character

Your son is a business genius with a caring heart. I don't see anything wrong here.

My son (in elementary school) sold mechanical pencils and leads to classmates and make good profits (relative to his cost) but he donates most of his profits and ya-shui-qian to charity.

To earn is an ability, to donate and share is a valuable character.

We are all grassroots and need money for life. When we are working hard to get a better life, why not teaching to have more money sense? Caring is a good character; but if you don't have money, you cannot help much.