Some will get wrong idea of quick money. Scalping is not the scheme to become quickly rich. Scalping is the strategy where you spend short time to analysis and trade.
I also prefer forex as part timer. It helps me to reduce trading pressure. If it is my main sources of income, it will definitely give extreme pressure which can hamper my trading plan.
Forex is kind of investment market whether currency is going to rise or fall trader can make money. It is the main different from other investment market.
Good profitable trading strategy is essential. However, I recommend to build one yourself. If you find a good strategy in online it might not suitable to you.
Unrealistic expectation is one of major reason for failing in the trading. Especially new trader makes that kind of mistake. Knowledge is the main power in trading. So, try to acquire it first.
Higher timeframe gives more accurate information than lower timeframe. However, timeframe depend on trading strategy. If you are a scalper, you have to go for lower time frame like M5, M15.
Trader need to have a realistic expectation in trading. However, most of the new traders come to the market with unrealistic expectation. Then they feel miserable.
Most of the time trader quit the trading. Actually, I never blow my real account. But in demo account I lose whole account capital couple of time. However, I never loss hope and I keep trying.