Answer:
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?
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
You do not want me when you donβt have me, but when you have me you donβt want to lose me.
I follow you all the time and copy your every move but you can't touch me or catch me. What am I?
Why is it so easy to weigh fish?
When is it bad luck to see a black cat?