It's hard to predict anything right now, but you still need to know how to analyze and listen to the analysts. The latter say that bitcoin is soon going to cost 20 thousand again.
It's described quite well, but I'll add that you need to choose the direction straight away. And after that choose the cryptocurrencies you want for investing and understand how much you want to invest.
Bitcoin hasn't been hacked yet, so you can sleep with a peaceful mind. It's based on the blockchain technology, which is introduced practically to all the work spheres.
Quite a lot of traders trade bitcoin actually, which demostrates that it's damn profitable. I've heard that a good trader gets a lot of money in the cryptocurrency sphere.
There are ,any resources where you can get bitcoin. If a person doesn't trust different resources, then he or she can register on a stock exchange and buy one of the presented cryptocurrencies.