The best way to get rich is to start an own business, to be unique in what you're doing, to be a true master of his job, doing well and conveniently. For something like that, does not need a lot of investment, you just have to work hard and with a little luck you could become rich.
That's true, be unique, that's what could make you rich, if you just keep on copying others idea, for sure there will come a time that those ideas will fade and probably the first one to start it will also be the last that will left, but if you are unique there is a chance that your business will last long and who knows, many will copy your business but still, nothing beats the pioneer...