Good Riddles

Question: How many tickles do you need to make an octopus laugh?

Question: Six squares and a straight line, I can tell you anything; from what's thine to what's divine.

Question: What sound does a nut make when it sneezes?

Question: What is that thing we buy for eating but cannot eat it?

Question: With pointed fangs I sit and wait, with piercing force I serve out fate. Grabbing bloodless victims, proclaiming my might; physically joining with a single bite.What am I?