The main benefits of using a trailing stop limit order in stock trading revolve around risk management and maximizing profit potential. Firstly, trailing stop limit orders allow traders to protect their profits by automatically adjusting the stop price as the market price moves in their favor. This feature helps to lock in gains and mitigate the risk of giving back profits in the event of a sudden reversal in the stock's price.

Secondly, trailing stop limit orders offer flexibility and convenience by allowing traders to set a predetermined trailing distance from the current market price. This distance can be tailored to individual risk tolerance levels and trading strategies, providing a customizable approach to risk management.

Moreover, trailing stop limit orders help traders stay disciplined and remove emotion from their trading decisions. By automating the process of adjusting stop prices based on market movements, traders can avoid the temptation to prematurely exit winning trades or hold onto losing positions for too long.

Overall, the main benefits of using trailing stop limit orders include protecting profits, managing risk effectively, and maintaining discipline in trading decisions. These orders empower traders to optimize their trading strategies and navigate the dynamic nature of financial markets with greater confidence and control.