What is Traffic Tiers & SEO Avalanche Technique? How does it work?

Tier Traffic (daily / month) Level 0 0 - 10 Level 10 10 - 20 Level 20 20 - 50 Level 50 50 - 100 Level 100 100 - 200 Level 200 200 - 500 Level 500 500 - 1000 Level 1,000 1,000 - 1,500 Level 1,500 1,500 - 2,000 Level 2,000 2,000 - 3,000 Level 3,000 3,000 - 4,000 Level 4,000 4,000 - 5,000 Level 5,000 5,000 - 7,500 Level 7,500 7,500 - 10,000 Level 10,000 10,000 - 12,500 Level 12,500 12,500 - 15,000 Level 15,000 15,000 - 25,000 Level 25,000 25,000 - 50,000