The reasons are usually quite common. In one word: marketing! Not only does this relate to how well you market your websites or links, but also how well sales page is marketed for product you are selling. This may be controlled by you or affiliate manager for program you are involved in.

So, question becomes, How do I earn thousands instead of hundreds?

Well they say a “good” converting site is one that sells 1 in 100 visitors.

Now once you’ve chosen which affiliate program you want to promote using Google Adwords you may be thinking “well I’ll just let it run for 100 clicks and if I don’t make a sale I’ll give it flick”.

But that wouldn’t be a “true” test of whether it is a good converting site or not. You see, it doesn’t just happen at every “100”. You may get to 170 visitors without any sales whatsoever then BAM BAM BAM 3 sales in a row.

My recommendations for testing an affiliate program using Google Adwords would be to find a few keywords that not many people are using (you can do this simply by thinking of some keywords YOU would type in if you were looking or this product), if there is 7 or less ads on sponsored side then that means you can get those keywords for 5 cents and still make first page.