i responded to a c.l. ad for a space invaders. i called and spoke to the owner (a woman) and told her i was interested. it was in 100% working condition about six months ago and she said they have not played it since. she wanted 100.00 for it. i told her id take it. i drove about an hour to get to her. when i arrived she said her husband answered a call for the game and the caller wanted to know if it worked or not. she said he plugged it in, flipped the switch, and saw a spark inside the coin door. (keep in mind this was AFTER i told her i wanted to buy it!) she said he went to the store and would be back soon. i looked inside the coin door with my flashlight and saw a coin lock laying across the monitor chassis (which is now burnt and not working at all). i told her i thought we had a deal for a working machine. she said that she was sorry he turned the game on. i just shook my head. she saw that i was upset about what had happened and she said i could just take it. it was tuff finding a good chassis for a few months. bottom line: dont ever switch a game on until you look everything over FIRST!