Well it all depends on your talent and experience. I know one girl it took her 5 years to become a pro. She live in Singapore now and earns money not only for herself, but for clients also. But she started with wasting $200000. Everyone has his own way to trading success.
You can only test different. Plus some reviews (especially video ones) also help a lot. But you can' help testing different tools by your own, thats the only way