He repeated tawaf and sa‘i when he should not have repeated them. Does he have to do anything to compensate for that, and will they be regarded as supererogatory in his case?

Delegating Someone to Pelt the Jamarah, Then the Excuse Ceases to Exist

If someone appointed him to do Hajj on his behalf, which type of Hajj should he choose?

Is it better to do Hajj on behalf of the deceased or to use that money to set up ongoing charity on his behalf?

Should he do more tawaaf or more prayers in al-Masjid al-Haraam?

A pilgrim came down from ‘Arafah and did tawaaf al-ifaadah, and he did not go to Muzdalifah, or he went to it after doing tawaaf

Is it better for him to do Hajj on behalf of his parents or to contribute to the building of a mosque?

How can someone who is non-verbal recite the Talbiyah for Hajj?

He entered ihram with an ambiguous intention and on behalf of an unspecified individual, then he specified that individual. Is that valid?

He intended to do Hajj for himself, then he decided to change his intention and do it on behalf of a relative of his. Is it permissible for him to do that?