Answer:
I am one small little piece of paper yet sometimes hold lots of value. I am all you need to get in to big events but will cost you. I am an important part of travel. And if lost you're not coming.
I go in dry and come out wet. The longer I stay in, the stronger my surroundings get. What am I?
The faster you run, the harder it is to catch me. What am I?
A woman shoots her husband. Then she holds him underwater for five minutes. Next she hangs him. Right after she feeds him dinner. How can this be?
At night I come without being fetched, and by day I am lost without being stolen. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?