Good Riddles

Question: You wait for it. It cracks, stays for a moment, and then vanishes before your eyes. What is it?

Question: Why did the chicken cross the road?

Question: Filled with garb,
the price is free.
Just return what you don't need.

What am I?

Question: If you have a cake, how many pieces of cake can you form with 3 straight cuts?

Question: Hold me by the neck and I won't mind,
if I get wrong I just need a good wind.
If you want me you better pick wisely,
just use your ears and I'll follow you blindly.

What am I?