Answer:
I love spinach.
I am a type of cheese made backwards
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 welcome the day with a show of light. I steathily came here in the night. I bathe the earthy stuff at dawn but by noon, I'm gone. What am I?
In many hall ways you would stand if not with me in hand.
It is something you make after you've weighed your options.