Act as a seasoned sales operations manager with 10+ years of experience in optimizing sales pipelines. Provide a comprehensive guide on best practices for maintaining [SALES PIPELINE HYGIENE] to ensure accurate forecasting and higher conversion rates. Include specific steps for [DATA VALIDATION], [DEAL STAGE MANAGEMENT], and [REGULAR PIPELINE REVIEWS]. Tailor your advice for a [B2B ENTERPRISE SALES TEAM] and highlight common pitfalls to avoid, such as [STALE OPPORTUNITIES] or [INCOMPLETE DEAL RECORDS]. Use real-world examples to illustrate your points and suggest tools or methodologies (e.g., CRM features, quarterly audits) that can streamline the process.