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?
What word begins and ends with an E, but only has one letter?
If you lose one of me, you are upset, bewildered, and perplexed. If you lose two of me, you are blissfully unaware. What am I?
I lose my head in the morning and regain back it at night.
I start in little but I end in full you'll find me in half and complete.
What never gets any wetter no matter how hard it rains?