Answer:
I cannot be bought cannot be sold even if Iām sometimes made of gold.
What gets bigger the more you take away?
I do not contain flesh feather or scales; yet I have fingers and thumbs.
What runs but never walks has a mouth but never talks has a head but never weeps has a bed but never sleeps?
I am used when you jump off a bridge for fun.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.