Cut losses short, let profits run. Win rate can be 30-40% but still profitable because winners are much bigger than losers.
Turtle Trader system: buy when price breaks 20-day high, sell when price breaks 10-day low. Simple but effective.
50/200 MA: buy when 50 crosses above 200 (golden cross), sell when crosses below (death cross). Long-term trend filter.
Position size = (1% capital) / (ATR × multiplier). Volatility-adjusted sizing.
Trend follower must endure "death by a thousand cuts" — many small losing trades. Wait for big trade (3-6 months/year) to offset all.