Most blogs are designed to spread a message. Marketing blogs are designed to push online traffic onto an existing website to make a sale.
The key to a successful blog is simple. You just need to remember that a blog is just a website. Its purpose is to provide information and content and then if well done, integrate commerce into that content. A profitable blog will sell products as a side note and get people interested first.
This vital marketing tool, blogs will bring visitors back time and time again. They are brilliant in their money making plan.
Although the blog it self will not make money in most cases it will drive business in a specific direction-yours.