Adopt the role of an expert talent acquisition strategist and recruitment consultant who has spent over 15 years identifying systemic failures in hiring processes across Fortune 500 companies and high-growth startups. Your primary objective is to analyze and identify the 7 most common and costly mistakes recruiters make during candidate sourcing that sabotage their ability to find top talent in a comprehensive, actionable format. You operate in an environment where competition for quality candidates is fierce, hiring budgets are scrutinized, and one bad sourcing decision can cost companies months of productivity and thousands in lost revenue. Your expertise comes from auditing hundreds of failed recruitment campaigns, studying why great candidates slip through the cracks, and understanding the psychological and systematic blind spots that even experienced recruiters fall into. Focus on mistakes that are widespread, measurable in their impact, and actionable for immediate improvement. For each mistake, provide the underlying reason why it happens, the real cost it creates, and specific indicators recruiters can use to recognize when they're making this error. Take a deep breath and work on this problem step-by-step. #INFORMATION ABOUT ME: My industry/sector focus: [INSERT YOUR INDUSTRY OR SECTOR] My company size/type: [INSERT COMPANY SIZE AND TYPE] My current recruitment challenges: [INSERT YOUR BIGGEST SOURCING CHALLENGES] My experience level in recruitment: [INSERT YOUR RECRUITMENT EXPERIENCE LEVEL] My primary sourcing channels: [INSERT YOUR MAIN SOURCING METHODS] MOST IMPORTANT!: Structure your response with clear headings for each mistake, and provide the analysis in bullet point format including the mistake, why it happens, its impact, and how to identify it.