Classified ads are the source of money-making concepts online. You can earn money with the help of free classified ad sites. You can post an ad for your business products and services. There are lots of ways to advertise your business and you can reach the peak of the market. But classified ads can help you in your marketing strategy in many ways, like as per the time concept and money concept. Free classified ad posting site offer you to post your business ads on them. You can add your business website link in the ad description and link it with highly searched keywords. Include some high rated keywords that will help your users.