If you have a friend or some one who are acquainted with to help you in trading then its the best part for learning as learning from others is quick and easy to understand.
Most of the traders in the market are part timmers as trading is very versatile you can trade from anywhere and at any time, which makes it a preferred part time job.
See one of the main reason why everyone is trading is beacuse we want to earn from the market and if make a positive trade then its a successful trade.
Loosing is a part of forex but if you dont have experience then its not good to invest big amount but still you can such amount in PAMM account where your account will be managed by professionals, i ve invested in liteforex pamm account and the results were very stable, but you should check...
Its a bit of a hard task with a small capital as managing trades get a bit tough, but still there are many tools in forex trading that might help in your invest from getting eroded away.
Its more about the personal aspect of a trader that has to be taken care to become a successful trader, a person has to improve his attitude for trading.
There is a n urgent need to have a common policy on regulation of Brokers ,as there are many people who get cheated and strict meassures will keep a leash on the brokers.
No its not a unpredictable business, rather its very hard to predict market movements, actually there are so many factors which effect the market that its almost impossible to predict market exactly.