Remembrance and Supplication

1,179 questions

Will the woman return to making coffee at home if she believes this appeases spirits that harm her after she stopped, and is this considered polytheism (shirk) with Allah?
What is the ruling on seeking forgiveness (Istighfar) or remembering God (Dhikr Allah) while cleaning dirty dishes or sweeping, and before sleeping when raising one leg towards the face?
Does doubting the authenticity of a miracle of the Prophet, peace be upon him, for reassurance, expel one from Islam? And will Allah forgive these sins?