Bitcoins is the oldest cryptocurrency and one of the highest valued currency's in the world. Has a large price volatility making it too unpredictable to be used as a currency. Doing analysis to trade in a trading cause this digital currency is not consistently in a high value. Sometimes may fail to trade cause their's a sudden down of an a price, but it is a good luck when the price value is high. Being trader we must smart and confidence to trade without any doubt.
One more thing, you should be a risk taker person because everything in crypto is risky either long term investment or trading. Bitcoins volatility is the key to earn huge profit but if you are afraid to risk then stay away from this investment.