Answer:
Deposit red liquid in me.
I am filled with garb the price is free. Just return what you don't need.
I have a frame but no picture. I have poles but not standing up
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
When is it bad luck to see a black cat?