Another trick I have pulled is go to where the lines go into the house take pins and push them into each line to hit the stinger and cut the pins off. Make sure the pin does not go through the other side. Push the pins in from the underside so they are not visible. Put two in the drops so if they figure one out they have the other to frustrate them. I did this to a millionaire who would not sign for 8 wallfishes and a few others. Most had their entire house rewired or I was called in by an area supervisor to figure it out.