If you are planning to invest for a good life saving, it's better if you invest in bitcoin because it's really good to have an investment like bitcoin and hold it for a long time because the longer you hold it, the higher the value it becomes.
how can you say bitcoin price will increase in future? bitcoin price is very volatile nowadays. every day it drops and increases. but not going above a specific range. I think if someone want to invest his saving and want to do that in crypto then he should do trading. first, he starts with less amount when he gets experience and understands tricks of trading, he should increase his investment.
Yeah you are right, investment in bitcoin for long time is definitely profitable and you can make huge money in the future. But I want to tell you that you should keep some cash in your account and do not invest all your money in one time. First check the market and if you satisfied that crypto market is good for you then you can invest the rest of your money.