Originally Posted by Liquid Minds

I can understand the point of view of the affiliate.
But if a sponsor doesn't use a secondary biller he could lose quite some sales, for several reasons. (downtime primary processor, declines by primary processor).
Maybe now the affiliate doesn't get credit for the sale, but there would have been no sale without a secondary biller at all. (as mentioned before the sponsor should give the primary biller a more prominent place on the sign up page, so the surfer would try that processor first).

Affiliates can clearly see if there's a secondary biller, so it's their choice if the want to send him traffic. Or do affiliates just sign up for a sponsor without checking his sites first.