None of the above.
Greed is bad, regret is worse.
Nice one said I must admit.
Never invest the money you can't avoid to lost in forext
That is the main important rule
I thought of multiple choices but than it wouldn't be the most important one.
1. Learn the market
2. Start trading with a Demo Account
3. Choose a reliable broker firm with low spreads and low costs
4. Start by depositing a small amount
5. Always deal with Stop Loss
6. Do not trade a transaction with an unclear direction
7. Leverage is a very powerful tool for tradesman
8. Analyze the Market
9. Learn to accept the Forex Market is uncertain10. Restrict your daily loss