Answer:
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
I am commonly abbreviated to H
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
No matter how little or how much you use me, you change me every month.
I am black white and read all over.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?