Negative keywords prevent your ads from appearing in irrelevant searches, saving your budget from clicks that don’t align with your goals. By filtering out unqualified traffic, you can focus on engaging users who are genuinely interested in your offerings. This strategy improves click-through rates (CTR), enhances conversion rates, and boosts your Quality Score, ultimately lowering your cost per click (CPC) and securing better ad placements. To identify negative keywords, start with the Search Terms Report in Google Ads to find irrelevant queries triggering your ads. For instance, exclude terms like "free," "jobs," or "tutorials" if they don’t suit your objectives. Leverage tools like Google Keyword Planner or SEMrush to uncover more phrases to avoid. Regularly reviewing and updating your negative keyword list is crucial—it’s a simple yet powerful way to save money and achieve better campaign results.