Advertising for your blogs is quite difficult and expensive. People have to spend loads of money for advertisement purpose. Those who earn well can spend lavishly on advertising. But this is not possible for those who earn very less from blogging and can not afford to spend money for advertising. Well for those there is an option and that is free advertising. You might think that it is just like those false promises made on internet but trust me this is very true. You can advertise about your blogs free of cost. You just need to put in little efforts and you can become popular without loosing your pocket. There are people who exchange traffic with each other. You just have to visit their sites and they will visit yours. Also there are tools which you can upload to your website and display your ads on them. They will show ads every time you move from one page to another.