ways and tricks to get points and best answer on Yahoo! Answers

Actions and Points
1. Remove your answer =======> -2 points
2. Ask a question =======> -5 points
3. Joining into Yahoo! Answers =======> +100 points
4. Choose the best answer =======> +3 points
5. There is no best answer chosen by voters =======> +5 points
6. Answer questions =======> +2 points
7. Sign in to Yahoo! Answers =======> +1 points per day
8. Give voice to answer =======> +1 points
9. Vote no best answer =======> +0 points
10. Create your question was selected as the best =======> +10 points
11. Thumbs up (Like ^ - ^ b) for the best answer =======> +1 points

The way that your answers be the best answer, you should maximize your answer in detail and as accurately as possible.