The theory of a traffic exchange is great- you need traffic, they provide traffic. Signing up for a traffic exchange means you will be getting more traffic all right, but there is no guarantee that any of it will translate into sales. Traffic exchanges make no sales guarantees, and they dont much mention your actually making money after getting this new traffic. So why do people join them?
When signing up with a traffic exchange, you are agreeing to visit other sites in that exchange network. For doing this, you will then get traffic from other members directed to your own site. So, site owners are looking at your site, browsing around, they may see something they like and buy it. Or, they may think your site is a great idea and mention it on their own site. Of course, in reality, it never seems to quite work that way.
Large sites don’t have much reason to join traffic exchanges and look at other people’s sites like this. Small businesses with fairly new sites do. So guess who joins traffic exchanges? Any advertising you might get on a site from being seen on a traffic exchange is going to be on a small, low budget site, which likely won’t bring...