1. You must have a trading plan.
You need to have a basic roadmap that has all important parts like entry level, stoploss level, profit target level and trading plan.
2. Trading is a Business.
Know how to calculate your expectancy which tells what your risk is for every dollar you trade.
3. You need proper tools
You ultimately save much more money by having the best and quickest trading tools like high speed internet connection, reliable computer and back up and quick trading quotes and charts.
4. Stop Loss is a must.
5. Know your Exit in advance.
6. Use Risk Capital only.
7. Take a Break Often.
Trading is very difficult psychologically and takes a greater stress on your mind and body. You need to trade in moderation and don't let burn out affect your trading.
8. Look at Big Picture.
9. Have a Good Support System.
10. Never stop learning.