Act as a seasoned Sales Director with 10+ years of experience in designing high-performance incentive programs. Provide a comprehensive guide on best practices for structuring sales team incentives to maximize motivation, productivity, and revenue growth. Include insights on [TARGET METRICS] (e.g., revenue, customer acquisition, retention), [INCENTIVE TYPES] (e.g., cash bonuses, non-monetary rewards, career advancement), and [FREQUENCY] (e.g., monthly, quarterly, annual). Address common pitfalls like misaligned goals or unfair distribution. Tailor your advice for [INDUSTRY] (e.g., SaaS, retail, healthcare) and [TEAM SIZE] (e.g., small teams vs. enterprise sales). Use real-world examples and data-driven recommendations.