What Am I Riddles

Question: What goes black when you buy it, red when you use it, and goes white when you throw it away?

Question: You use me. I keep you neat. Every once in a while you empty me out. What am i?

Question: What is hot but doesn't burn?

Question: Cut my skin out. I'm not going to cry, but you will! What am I?

Question: Of the god’s own sorrow and tears i can create life. Then i provide my creation with fire to allow for growth and prosperity. But the vengeance of the gods is due and I will surely fall. In the coldness of the night, the life I created only finds death. what am i?