Commissions can indeed have a significant impact on the result, especially if you trade regularly. Therefore, it is important to understand what you are paying for before registering. I found the review at
https://trading.biz/crypto-brokers/binance-review helpful, as it describes trading commissions, additional costs, and the terms of use of the platform in detail. When you have this information in advance, it becomes easier to plan your actions and avoid unpleasant surprises.