Has anyone tried putting a generic coupon code on the checkout form, right next to the input box? Or even pre-filling the input box with the generic code? See

Has anyone tried putting a generic coupon code on the checkout form, right next to the input box? Or even pre-filling the input box with the generic code? Seems like that way, everyone can feel good, and some can feel even better. p.s. Oh wait. I should probably file a B.S. patent for this idea. Unless someone has already has.