When day trading USDJ, here are some tips to consider. Firstly, stay updated on market news and trends that may impact USDJ's value. Secondly, create a trading plan and stick to it, including setting specific entry and exit points. Thirdly, use technical analysis tools to identify potential patterns and trends. Additionally, consider using stop-loss orders to limit potential losses. It's also important to manage emotions and avoid impulsive trading decisions. Lastly, practice risk management by only risking a small portion of your capital per trade. Regularly evaluate and adjust your strategies based on your trading experience.