The best way to argue a point without falling into the trap of common fallacies is to know your subject well and be equipped with plenty of evidence to support each statement or proposition that leads to your conclusion.
It’s also helpful to understand common logical fallacies and how they function to ensure you do not unintentionally rely on fallacious arguments. Presenting a well-structured argument is a matter of applying logic and sound reasoning, to do this, you need to avoid fallacies.