Answer:
Tear me off and scratch my head, what once was red is black instead. What am I?
What is it called when a cat wins a dog show?
I get paid when I drive away my customers. What am I?
It's red liquid but not liquid and it's not red. What is it?
I go through a door but never go in, and never come out. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.