Devoidwind, if you honestly feel strongly about it then just buy the thing, try it out and tell us your findings.
For a number of reasons it simply isn't logical. Infinite lifeforms populating the Universe, black-holes everywhere, etc.
There might be a hundred snake oil salesmen but that doesn't mean they are selling something you should buy.
More practical than a free energy device, would be to find a novel way to tap into a large existing source.
Assorted planetary magnetic fields and geothermal sources would be our best bet. Plenty of more hypothetical sources out there t