Let's see, if I make 1% a day (on average) on a capital of 50K, this means that I make 500$ a day.
Assuming I trade 4 day a week on average (I like to travel and do other things not trading) I will still have 4*4*500 = 8k a month, now, even after tax (about 5.5K), that more than I need to live...