they come in a box that is not sealed and a stupid parts guy can walk out with the bulb in his greasy paw and ask, "is this the one you want?" i know you're thrilled to see me. i spent a good part of today talking with people about this. you have to pay for services. many people throughout the country even plan their vacations around book sales at their destination! thank you for sharing your experience. what are the minimum requirements to test? even just an elastic stuff pocket would be acceptable. 