Answer:
I start new then become old. Start clean but be one dirty. I usually start big then become little.
Feed me and I live. Give me water and I die. What am I?
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
I have a head and a tail but my eyes can never see my tail.
You heard me before and then again. Afterward I die until you call me again.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.