No what I don't understand. I have been promoting a clickbank product with a gravity of 1 and no (knock on wood) refunds. This product has been out since the beginning of the year. All it has is banners for promoting it as an affiliate. Then you have some products then been out since the beginning of the year with a gravity of 3-10 claiming their affiliates are banking and the vendors are showing proof. The vendors have affiliate tools. Why is it that the product has only 3-10 gravity when affiliates are banking 1K a week with such a low gravity score. While the product I'm promoting only has a 1 gravity and I made money with them already... am I the only affiliate making money with them. Can some one shed some light on this gravity stuff??