Buy low, sell high.
Taking small profits = Huge gains.
Use stop losses (7-10%)
Know that markets are moved by greed/fear.
Always do your own due diligence.
Use stock picks as a watch list. Dont't buy blindly.
Don't fall in love with stocks. Have"short affairs" with them.
Trade only with money you can afford to lose.
Keep money on the sidelines to take advantage of opportunities.
Use limit orders, not market orders.