Istikhaara means to seek welfare from Allah (az’zawajal).asking Allāh to guide one to the right sort of action concerning an important endeavour. A two rak‘a prayer is offered for this purpose with a special dua (supplication)
istikhara in hadith
Hadith 1: Hazrat'e Sayyiduna Jabir (radi Allahu anhu) says that The Holy Prophet (sallallahu alaihi wa'sallam) would teach us about Istikhaara like how he (sallallahu alaihi wa’sallam) would teach us about the Suras' of the Holy Qur'an.
Hadith 2: The Messenger of Allah (sallallahu alaihi wa’sallam) has said, “Whoever performed Istikhaara will never be unsuccessful.”
Istikhara Fee
we do istikhara free of cost