Do not enter with "all" your capital: always keep some liquidity for emergencies; going all-in is the first step to bankruptcy.
Activate "Stop Loss": a small loss is better than losing your entire portfolio; set the price at which you will exit if the market turns against you.
Leave out the emotion (FOMO): do not chase the soaring green candle; late entries due to fear of missing out often lead to being stuck in a position.
Trade with what you can afford to lose: do not trade with rent money or essential expenses; psychological pressure will lead you to make wrong decisions.
Win and run: do not be greedy; if you achieve your goal, withdraw your profit or part of it and secure your trade.
Analyze and do not follow the herd: do not follow random "recommendations"; learn the basics of the chart and monitor the liquidity yourself.
Golden advice: the market is always there, but your capital, once gone, does not come back easily.