You can cook every day yourself, or you can order from a good meal delivery service. Cooking is more interesting, but it takes time and skill. Delivery is more boring, but it needs neither time nor skill.
In course 8 you worked out whether your strategy has an edge. If it does and you enjoy the process, trading is your path. Carry on with this course. If there is no edge and your time is precious, consider investing for years. That path does not ask you to guess price moves, but it is not risk-free either: prices of such investments fall too, as the next lesson explains.