A high quality score in Google Ads means your ad is relevant, your landing page matches what the user is looking for, and people are clicking on your ad often. When all these things are in order, Google rewards you by charging less per click compared to advertisers with lower quality scores. So two advertisers bidding the same amount can end up paying very different amounts depending on their quality scores. It is one of the reasons why focusing on ad relevance and a good landing page experience is not just about performance, it also saves money. Have you seen a big difference in your costs after improving quality score?