There are no complex things to know before investing in bitcoin.First you should kmow that we have to buy bitcioin when the price of bitcoin decreases and should sell them at a good profit.These things are enough before investing in bitcoin.
Things to know before investing are right when it's time or you're ready to invest in such things or if they have enough knowledge, and above all you will know whether the prediction has increased or you ask enough idea to know more about it