Answer:
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
What zips through the sky with a tail of fire and dust. It could be an omen, its origin to discuss?
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
What type of bar gets you wet walking in and out of it but keeps you dry inside?
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
I am free the first time and second time but the third time is going to cost you money.