Lets say you go to Amazon directly and put some items in your cart.  Then you remember, I want the commission on these items to go to charity.  So you browse to giveness.com select a charity and go to Amazon.  The items are still in your cart from before, but this is the problem!  Because you went directly to Amazon and put the items in your cart they will NOT earn commission.  You must make sure that you add all the items to the cart after you have browsed to Amazon by ...