The only great way comes to mind to earn bitcoins is from trading as I don't see any other better way to make good amount of bitcoins in quick time and which will also grow your bitcoins over a period of time.
The best way to make bitcoin as a less technical way is through trading because with limited knowledge one can easily make it big in it. All you just need to do is buying bitcoin and others coins like creditbit,eth, dash and rippe and hold them for long time and sell them for profit.