When he needed to discussion Al khawarij(a people today that depend on their own interpretation from the Qur'an and won't abid with linking nearly anything towards the Prophet Salla ALlah alaih wa sallam). There's a narration that Husayn gave the house and items that he inherited prior to obtaining them. http://hadis-app81220.blog5star.com/1398151/facts-about-hadis-e-kisa-revealed