The Messenger of Allah ﷺ said, "Follow up Hajj with Umra, for they remove poverty and sins just as the bellows removes impurities from iron, gold, and silver. And there is no reward for an accepted Hajj except Paradise."
حدثنا قتيبة وأبو سعيد الأشج قالا حدثنا أبو خالد الأحمر عن عمرو بن قيس عن عاصم عن شقيق
قال رسول الله ﷺ تابعوا بين الحج والعمرة فإنهما ينفيان الفقر والذنوب كما ينفي الكير خبث الحديد والذهب والفضة وليس للحجة المبرورة ثواب إلا الجنة
[Its isnad is hasan]. Nasai transmitted it in the Book of Rites of Hajj, chapter on the merit of following Hajj with Umrah, 5/115, 116, no. 2632, from the hadith of Abu Khalid Ahmar with the same wording, and he made clear that he heard it directly. Ibn Hibban graded it sahih, no. 967, as did Ibn Khuzayma, no. 2512.Shaqiq is Abu Waail, and Aasim is Ibn Abu Najud.On this topic there are also narrations from Umar [Ibn Majah, no. 2887], Amir bin Rabia [Ahmad, 3/446, 447], Abu Hurairah [coming up, no. 811], Abdullah bin Habashi [Nasai, no. 2527], Umm Salama [Abu Dawud, no. 1741], and Jabir [Ahmad, 3/325, 334].