Here is what the client said after initiating an aggressive Google Adwords campaign. When I was reviewing the pay per click with our managers I discovered something more interesting. Our pageviews increased 28% however our preowned vehicle search results increased 121%. More evidence that our PPC effected our numbers in August (after a weak July).”
How to calculate ROI for a PPC or Paid Search Campaign is something everyone learns usually after they already spent too much money. The beauty of Internet Marketing is that it is the only marketing that is 100% measurable.