Making more affiliate sales
You are likely to find some of the best affiliate programs in smaller niches. Niche marketing is very important right now. Affiliate marketing is very competitive today and by targeting a smaller niche, you will reduce the level of competition and you are more likely to make more affiliate sales.
A good example of a niche that is super competitive but still room for big rewards is the home business niche. There are many products that can help you make money online, so you can be sure that you can find a demand of them. You only need to find the right niches. Have fun!