Answer:
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
What goes up and down but does not move?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
What has one head one foot and four legs?
What language does a billboard speak?