Answer:
I am bought by the yard but worn by the foot
You can read me both ways I wear; One way it's a number reversed a snare.
I am a type of animal that hang out in the mist
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
What never gets any wetter no matter how hard it rains?