As a trader, it’s your job to understand where the market might go, and be prepared for any eventuality. You don’t need to know exactly where the market is going to go, but understand the different possibilities, and be positioned for whichever one materializes.
Combine indicators, because each indicator has it’s own limitations and will not be correct 100% of the time.
The most important things to learn and master are moving averages, RSI, support/resistance, trend-channels