The jinn are part of the creation of Allah whose existence we must believe in, because Allah mentions them in many verses of the Quran, and there is even a Surah named after them, namely Surah al-Jinn. Their existence is a matter upon which there is consensus. For more, see the detailed answer.

1- Reciting Surat al-Baqarah is a blessing and forsaking it is a cause of regret, and the magicians cannot withstand it. 2- Reciting Surat al-Baqarah in a loud voice is not a must. It is sufficient that it be read and recited in the house, even if it is recited in a low voice. 3- If there is no one in the house who is able to read or recite Surat al-Baqarah, and there is no one who can recite it for them in the house, they can use a recorder to recite it