Do you know that Google Analytics does not correctly track incoming Google Adwords traffic?
Now you can use simple JavaScript script to make your Google Analytics track the exact keywords, not just the broad match that Adwords uses to trigger the ads.
How to track exact Google Adwords keywords with Google Analytics
Go and read the instructions and download the code snippet from Tulos website: track exact Google Adwords keywords with Google Analytics.
Using this script to tune your Adwords campaign can easily save 25% of your or your clients money.