The document discusses best practices for trade promotions, including using correct metrics like retail sales instead of shipments, correct data harmonization of factors like brand size and geography, and planning promotions based on lift models and trend analysis. It also recommends focusing on objectives like improving profits for retailers and manufacturers, and avoiding ineffective tactics such as an over-reliance on displays or "dis-loyalty" cards. Key metrics discussed include incremental sales, return on investment, and consumer units.