Learn Technical Analysis. Technical Analysis (TA) is the analyzing of price and volume data and trying to predict future trends based on that. If you know how to read a chart, you’ll be better able to understand how things like candles, moving averages, RSI, and the order book can clue you into good spots to buy and sell. Crypto defies logic all the time, but basic indicators are still helpful to understand. TIP: You don’t have to be good at TA, you can just follow others who are. Fibonacci support and resistance levels, moving averages (try 12, 26, 9 MACD on 4hr candles), RSI, and a few other popular indicators are vital to wrap your head around. All the pros use these, and all the big players have bots who run strategies based on these (complex versions of these at least). You can’t afford to ignore TA if you are going to trade crypto and not just invest in it. I suggest you get familiar with tradingview.com ASAP. See a basic TA strategy.
Always pay attention to Bitcoin. Most altcoins (every cryptocurrency except Bitcoin) are pegged more closely to Bitcoin than Asian currencies were to the USD during the Asian Financial Crisis. If Bitcoin price pump drastically, altcoins price can go down as people try to exit altcoins to ride the BTC profits; inversely, if Bitcoin prices dump drastically, altcoin prices can go down, too, as people exit altcoins to exchange back into fiat. The best times for altcoin growth appear when Bitcoin shows organic growth or decline, or remains stagnant in price.