Some companies invest a sum of money into Google Adwords only to find their budget gone and no business acquired. While it appears on the surface that Google Adwords is simply a bid to the top system, it's not. There are a number of factors that influence the placement of your advertisement – which in turn will impact your budget.
From the Infographic: How to Improve Google Adwords Quality Scores by DigitalNetAgency: The Google quality score is an estimation of how relevant your landing page, keywords, and ads are to the keyword you’re targeting as well as the people viewing your content, where your ad will be located on the page, and how much Google is going to charge you for your ad location. Here, we take a close look at Quality Scores and discuss how to improve yours.