Answer:
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
Often wandering the streets, this group of people cannot afford to be choosers.
What is at the end of a rainbow?
Old people and owls are said to be this.
What goes up when rain comes down?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.