Just for cases like this, we have compiled a list of tips and tricks to help your cat make the switch to the Litter-Robot. If you have tried these things and your cat still refuses to use the Litter-Robot, don’t worry; you are protected by our 90-Day Money-Back Guarantee. If you and your cat are not completely satisfied for any reason, just return your Litter-Robot within 90 days of receipt for a refund of the purchase price, less shipping.