Your son buying a used van ……………………. $450.00
Tires/plugs/wires/fluids/wiper motor ……… $450.00
Breaking the first spark plug off in the head… $0.00
Extractors/Liquid Wrench/Sleepless Nights. $25.00

Successfully removing the plug  without
having to remove the head? ……………………. Priceless