Answer:
I am a caribbean shape that makes ships disappear
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
I have no bed to sleep and no palace to live. I don't have a single coin but I am known as king. What am I?
When I am caught I am thrown away. When I escape you itch all day.
I am bought by the yard but worn by the foot. What am I?
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.