There are lot of traders who relay just on forex. But to depend just on forex, you require time. You can't do it just from the very beginning. When you begin influencing reliable to benefit, at exactly that point you can do it. For this you require great learning and aptitudes.
A strategy good for me may not good for you. Forex is 90% psychological. And every person is different from others psychologically. My opinion is you should invest your time in learning and researching. Babypips has a very good resources for learning. Trading is all about skills. To make money from here you have to be skilled.
It is true that if you want to trade full time or are thinking of trading as a career option, then you must understand that in-depth knowledge of the market is required. You cannot make a strategy for yourself without proper knowledge and skill-set.
If someone is solely replying on forex, he must be properly learned and skilled, coz without that gaining good money out of forex, can be a tricky task. Focus should be on mastering the working of the field first and then rely on it.
If you want to create a bright future by trading Forex, you have to trade with long time targets. If you earn 10-15% per month, you should be happy with it. If a trader patiently follows money management and risk management, his trading future will be much better. So in trading, you have to survive by giving up emotions with patience.