Answer:
I begin with the letter βiβ, if you add βaβ in front of me, I become a new word with a different meaning, but still sounds exactly the same. What word am I?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
I am free the first time and the second time, but the third time is going to cost you money. What am I?
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
Everyone asks for me but yet everyone hates to face me. For someone I am agony for others I am relief. Who am I?
I flow from the Homerβs mouth when he sees doughnuts.