Answer:
My first is high my second damp my whole a tie a writer's cramp.
I am often sold by children entrepreneurs in summer time
What two keys cannot open any door?
I am long and slim works in light. Has but one eye and an awful bite.
I am enjoyed by some despised by others. Some take me for granted some treasure me like a gift. I last forever unless you break me first.
What never gets any wetter no matter how hard it rains?