Answer:
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
What is it something that you always have but you always leave behind?
What can't you see, hear or feel, until its too late. What shadows love, and shopkeepers hate?
I have it, I donβt share it. If I share it, I donβt have it. What is it?
Different lights do make me strange, thus into different sizes I will change
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?