Everyone should be able to manage his investments himself, be able to get rid of different intermediaries and get the right returns thanks to his savings.
Financial advisors, mutual funds or others products, charge fees at the opening and before any profit, then add various commissions, and sometime, in addition a percentage of earnings.
At the end, best case it remains a few crumbs of profits, and worst we end up with the initial capital trimmed.
By training you will be able to do as well, and even better than many professional money managers, and save costs
No magic formula, just a process to follow and a discipline to have