The key to being successful with a PPC advertising campaign is to determine how much you can afford to spend on every click. This is called your "cost-per-click," or CPC. Once you know what you can spend on your CPC, you can run all of your PPC campaigns at a profit.
How much you can afford to spend on clicks depends on the value of each visitor to your site. For example, if you had 4,000 visitors last month and your net revenue from that month was $1,000, then you wo ...more