He vowed to fast for a month; can he fast thirty days separately?

He vowed that he would not get married until his mother memorized a portion of Qur’aan, but it is very difficult for her

He vowed to build a mosque but now he wants to sell the land

He swore oaths repeatedly and broke them; should he offer one expiation or several?

He swore to name his son after his friend, but he wants to change his mind

Fulfilling a vow that is makrooh

Is it acceptable to give used clothes as expiation for breaking a vow (kafaarat yameen)?

Is it valid to retract a vow?

He swore on the Qur’aan that he would not go to more than one doctor, and he wants to break that oath

Ruling on swearing on the Mushaf and the expiation for breaking such an oath