As self explained in the zip file, this indicator does not repaint, it gives good SL and TP price for every trade, the only con is that you need to make your decision on buy/sell direction.
No indicator can guarantee accurate predictions, and it's crucial to combine breakout indicators with other technical analysis tools and fundamental analysis. Additionally, consider the timeframe you're trading on and adapt the breakout strategy accordingly.
It's always recommended to test and validate any indicator in a demo or paper trading environment before using it with real funds. Additionally, consult with experienced traders and continually educate yourself to refine your breakout trading skills.