Answer:
People need me yet they give me away every day.
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
I come out of the earth, I am sold in the market. The one who buys me cuts my tail, takes off my suit of silk, and weeps beside me when I am dead. What am I?
What is harder to catch the faster you run?
The answer I give is yes, but what I mean is no. What was the question?