As a nail technician that is our job to tell people when they need and don't need a certain service or when they are about to do something that in some way could damage the natural nail. Even though we might not get to make the extra money for performing a certain service, it is better than just trying to make that extra dollar and risk permanently damaging a clients nails. Would you risk taking someone in and giving them a pedicure to make the $30 extra dollars when you know that it could spread to another client? Would you want your doctor to tell you that you needed some type of surgery just so he could make some extra money when he knew that it might endanger some part of your body? NO you wouldn't. So even though you do not want to turn down the service you have to for the best interest and safety of the client.