Answer:
You turn me over after you have travelled far.
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
Tear me off and scratch my head what once red is now black.
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
I am a key that is playful. What am I?
I am your mother's brother's only brother in law. Who am I?