Answer:
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
What goes up and down stairs without moving?
What word sounds the same even after you take away four of its five letters?
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
I am a lunch money thief
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?