You have to understand that retailers sell real-estate. They have to fill their shelf-meters with products that they know will sell and make profit. Even if your product is on consignment, it takes up shelf space at the expense of another product and no guarantee that it will be worthwhile. As a retailer your goal is to continuously tweak your products and fill your shelves with those to keep on maximizing returns. Why would you sacrifice shelf space to something that is not proven?
-- Former distributor having gone through the same