To use the Keyword Tool, you simply enter in a key phrase that you are interested in. For the sake of this guide, we'll use "petsitter", a popular up-and-coming career. You could use any keyword that you like, such as insurance, stock quotes, affiliate marketing. Once you type in the keyword and search, a huge list of keywords and values will come up.

To add the column, click on the dropdown box next to where it says "choose columns to display". Then click on "Show estimated avg. CPC". This adds a column to your search that allows you to filter by CPC. Once you have the column, click on it once or twice to sort in descending order. If you searched for "petsitter", you'll notice that the highest CPC keyword is currently "petsitting service". You can browse through and look at the various CPC values to get a feel for averages across different keywords.

Now that we've sorted by CPC, you can see that even though "petsitting service" is the highest CPC, it's hardly ever searched for. The keyword "petsitters" has a CPC of almost 50% of "petsitting service", but you can see that it is searched for 20 times more.

There are indicator bars that show comparatively what the competition is like. The smaller the bar, the better. It's now up to you to determine which keyword is the best for using in your article or website.