As long as I see knowledge is needed for each point because without knowledge you cannot manage to do what is right. but in all currency trading as described by oneself, every uninformed man or woman can get and not about the number of years and if he wants to get some really handsome income, the individual must find it first. and of course experience is the key to forex success. So you cannot trade profitable forex without good experience and you have to go occasionally to get more experience. Experience is gained from how much time you have traded and learned from your mistakes.