Answer:
I let water fall on you while everyone else stays dry. What am I?
What has a bottom at the top?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What 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?
What begins with T ends with T and has T in it?
My days are numbered.