What is the ruling on exempting some young people who are unable to pay the cost of online follow-up, knowing that this will make most of my work free?

Forgiving debtors, pardoning them, and waiving their debts are commendable acts and good deeds. However, there is no sin or blame in not forgiving them, especially if doing so would harm you.

If some of them are in difficulty, they must be given respite until their financial situation eases. It is recommended to discharge them and waive the debt, as this is one of the best forms of charity, according to the Almighty's saying: "And if there is one in adversity, then [let there be] a delay until [a time of] ease. But if you remit [it] as charity, it is better for you, if you only know." (Al-Baqarah: 280), and according to the Prophet, peace be upon him, who said: "There was a merchant who used to lend money to people. If he saw someone in difficulty, he would say to his young men: Overlook his debt, perhaps Allah will overlook our sins. So Allah overlooked his sins."