How do you avoid transaction charges?

Good day, I'm curious about your strategy for avoiding transaction charges in the world of cryptocurrency. With the constant fluctuations in market fees and exchange rates, it can be quite a challenge to maintain cost-effectiveness. Could you please elaborate on some of the measures you've implemented to minimize or even eliminate these expenses? I'm particularly interested in techniques related to timing transactions, selecting the right cryptocurrency platforms, and utilizing any available discounts or promotions. Your insights would be greatly appreciated.