Buy or develop your own time machine and go back to 2008 and mine BTC on the computer at your mothers house in the basement
here everyone to make money and want to become rich . but that person became rich who have big Network through sites and program . if you want became rich then you don't have need to make time machine and no need to go in past . just make your own site service .
There are many ways to become rich and not only you will be rich because you have a good business online, even in physical world there are also more opportunities so it depends on the on the interest and passion of a certain person and what investment or business he will focus to achieve his goal.