Good Riddles

Question: Every time you lose something, you always find it in the very last place you would look.

Why is this?

Question: Why would a hair stylist rather cut the hair of two brunettes than one red head?

Question: What two letters can spell the word candy?

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: What is the best way to stop a dog from barking in, and digging up the front yard?