Answer:
I'm a long curved fruit that grows in clusters and has soft pulpy flesh and yellow skin when ripe.
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
What is red, bloody and smells like an orange?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
Is always in front of you but cannot be seen?
When is it bad luck to see a black cat?