Although marketing agents and companies can be invaluable in assisting you to market your online business, there are also free options you can try to build the number of one way backlinks to your site. One notable method is to utilize one of the many free systems available, which will place your link on relevant websites in exchange for you linking other sites from yours. These can be very useful in increasing traffic to your site, as links to you will be more widespread throughout the net, and placed on websites that have relevant content to your own. A quick search engine survey will identify several such free services for you to consider.