I don't know why you decided to ask  most of these kinds of questions. As far as you have started learning about Bitcoin, these should be the first things you are supposed to have learned. Let's just say these are the basic knowledge of Bitcoin you are asking about. Maybe you have only learned the definition of Bitcoin. You should just calm down and learn more about Bitcoin. In fact, you can ask these kinds of questions on Google, and it will give you perfect answers.

quote author=Emikoyumi link=topic=5556187.msg65716684#msg65716684 date=1755763798]
If I buy Bitcoin, will it be more profitable to hold it for a long
  time or for a short time?
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You can only be profitable from Bitcoin if you hold it for a long period of time, at least 4 to 10 years. Within this 4 to 10-year period, you can experience one or two cycles of Bitcoin because Bitcoin halving always happens every four years. After each halving, we usually experience a bull run, a period when Bitcoin’s price pumps.if you want to profit from Bitcoin, you need to hold it for the long term. Short-term holding is more like trading, and trading involves high risk. Therefore, proper learning is necessary before someone can start trading and profit from it. As a newbie, you are not advised to start trading at an early stage.

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As a beginner, what should I do here? Should I slowly start
  learning from here or should I try to invest along with learning?
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 As far as you have basic knowledge of Bitcoin, you can start investing gradually, as you have said, by making use of the DCA method like buying Bitcoin weekly or monthly, depending on your income or the amount of money you set for buying Bitcoin.With this DCA method, you will be able to get Bitcoin at different prices instead of buying it all at once.My advice for you is to only invest money that you can afford to lose. Also, try to have emergency funds in case any problem comes up in the near future, so you will not have to tamper with your Bitcoin investment.