Answer:
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 life but I can die. What am I?
The sun bakes me, the hand breaks me, the foot treads on me, and the mouth tastes me. What am I?
What goes up but never comes down?
I am a room that has a roof but no walls. What am I?
A little house full of meat, no door to go in and eat.