not to be rude, but why would affiliates promote your product when there are 3 ways people can buy it.. might be why your gravity is lower
Let me tell you this - EVERYTHING that offers something of value, doesn't scam people and in high demand. You can sell all that. P=
I hear that it takes some time for a clickbank links/site to start getting money. Most buying customers are returning visitors to the clickbank links and sites.