Alligator with 200 EMA works on 15 min and above; Darvas works with 50 EMA on most time frames. But there are differences between trading instruments. But before everything, stop loss, risk limiting, and position sizing needs to be learned.

Trading for a living

For the long term, it would be sufficient to use the approach in the above replies. However, whether in trading or investing, risk limiting is the first step, in my experience. Which means position management, selecting the ideal risk:reward ratio, ...

Struggling to be profitable in trading