Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
You can never eat me for breakfast or lunch. What am I?
I am the home for feathery animals.
I am pinched by grandmas
I am an odd number. Take away a letter and I become even. What number am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.