Answer:
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I am heavy forward, but backward I'm not. What am I?
Only one color, but not one size. Stuck at the bottom, yet easily flies. Present in sun, but not in rain; doing no harm, and feeling no pain. What am I?
I stand up tall and am made of steel With baguettes and garlic at my heel. I love the colors red white and blue but obviously not as much as you. I am a marvel for all to see Though to some I am a monstrosity!
No matter how little or how much you use me, you change me every month.