It is true that you are an affiliate of another business and you are trying to get people to buy the same thing as a bunch of other people, but are you any different from those other marketers? Many have found success in affiliate marketing, so how are you going to? Make a relationship with your customers.
When you talk to a person about the stuff you are trying to sell as the representative through an affiliate marketing program, the first contact should not be about making the sale, it should be about establishing a relationship with a future customer. To be prepared to create a relationship like this take a little work but it's not too hard to get done.
They need to think you are an expert in email list your niche. So,for example, if your niche is affiliate marketing, you would tell them about your success in affiliate marketing. If you are trying to market your affiliate offers through cold calls, you need to be targeting the right markets. It is impossible to build a good relationship with a customer, and therefore impossible to have success in affiliate marketing, if you are marketing products that the customer has no interest in at all.