What Am I Riddles

Question: I have a few points but we're not competing.
And I'll help you win when you're eating.

What am I?

Question: If a man carried my burden, he'd break his back.
I am not rich, but I always leave silver in my track.

What am I?

Question: I tear paper but I'm not mad,
I wear a purse but it's not a fad.

Who am I?

Question: 500 is at my end and my start, yet 5 is at my heart.
The first letter and the first number make me complete.
My name is that of a king.

What am I?

Question: I make up all literature, but I'm often sealed.

What am I?