Answer:
My rings are not worth much, but they do tell my age. What am I?
When you buy me I am costly, but the only use I have is hanging only. What am I?
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
I am a seed with three letters in my name. Remove the last two and I still sound the same. What am I?
I cannot be burned in fire or drowned in water. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?