There is no doubt that we can make forex trading as our life time business. Indeed successful traders are doing it as their full time business and they are very successful. Although we can earn good money from it also even though we do it as part time. but if we want to make it as life time business than we should give it full time and should learn completely about it. Because i think earning good money continuously is all about knowledge and experience. You can convert your experience into good earnings for life time.