Something that many say and few follow is to inform yourself before you start investing, the importance of being aware of how the market is moving and what stage it is in today to try to know how it might look tomorrow.
Find among all the content creators about investments someone you like, understand, and who accompanies you day by day with knowledge.
Then it’s up to you; the information you have is to be better prepared, but when it comes to investing, it’s your responsibility, both to enter the market and to exit it.
No one here ends up knowing 100% how the market is going; it’s predicted and still, nothing is ever certain.