Answer:
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
People need me, yet they give me away every day. What am I?
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
I am an insect half of my name is another insect. I am similar to the name of a famous band.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
When is it bad luck to see a black cat?