It's pretty easy! Buy low and sell high! The only problem is to find those points!
You are right, it's hard to find the point where to sell and buy because it requires the right timing and knowing the reason behind
the price movement. It's important to be knowledgeable in the crypto world and as much as possible be smart to educate yourself all the time
since this would help you to make the right decision that will benefit your in the longer run.