It is amazing how weird the advice is in that 6differentways site - I wouldn't trust any of it. I don't think most of those guys have even the vaguest clue what they are talking about. It sounds like a group of guys discussing how to fix a lightbulb, and coming up with suggestions like - oh, you'll need to replace the wiring all around your house, I did and it worked for me or - try changing all the fuses in all the plugs all over your house and you'll be sorted. Slightly mad.