Answer:
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
I am often sold by children entrepreneurs in summer time
I am longer than a decade and shorter than a millennium
What never gets any wetter no matter how hard it rains?