Amazon.com has a great program which allows users to partner with them and whenever an item is purchased from their site by clicking on a link from our site (it doesn't even have to be the item we recommend, it can be any item, if you go to their site from ours, we can earn a percentage of the sale). The more you buy through our site, the higher the return, it costs you nothing and feeds the kitties. What a wonderful program from Amazon.com!