Good Riddles

Question: For now I must stay under the man who made me,
but when he dies I'll be as powerful as he.
They will watch and listen to what I say,
then some of their money to me they'll pay.

Who am I?

Question: When you don't have me, you want me, but when you do have me, you want to give me away. What am I?

Question: What room can you eat?

Question: A mother has five daughters, January is the first daughter, February is the second daughter , March is the third daughter, April is the fourth daughter. What is the name of the fifth child

Question: A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. How is this situation possible?