I didn't mean any disrespect towards Gutt or yourself(I still play with my cube now and then also). People just seem to use the word "novelty" as a bad term with negative baggage. People that invent those things are brilliant!
As always, I have another book suggestion: "Multiple streams of Income" by Robert Allen. I'm not saying you MUST apply the principles in the book, but it'll give a basic idea of what I mean.
Sorry, don't mean to preach or seem 'snooty'