Answer:
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
You can spin, wheel and twist, but this thing can turn without moving. What is it?
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
I am what remains when nothing is left.What am I?
When is it bad luck to see a black cat?