Answer:
It is something you make after you've weighed your options.
I know a word of letters three, add two and less there will be.
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
There's one in every deck of cards and in a famous movie
A defendant will go free if a reasonable amount of this exists.
I am a room that has a roof but no walls. What am I?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?