When I read the article and it said they sell for $40-$72 my jaw dropped. You could make one of these for under $10 pretty easily. Hell if you were resourceful you could make it for free by finding someone giving away a couple plug in appliances for free and cut the cord and make it. Also I believe these cords are also sold for christmas lights if you hang them the wrong way but if used with a generator I believe there is risk you send power to the pole outside your house which is extremely dangerous if a linemen is working on said pole with the belief that the power is dead.