Yes, it is very important to choose a reliable and proven broker for comfortable and profitable trading, which would provide minimal spreads and instant execution in transactions. But it is also important to learn how to trade first on a demo account. There you can check the quality of different trading strategies and indicators for free, try to improve and optimize the strategy if necessary. Only after that you will have a chance to trade profitably and reasonably on your real account, when you know what to do and according to what rules and conditions.
