You dont want to affried of investing BTC, it beacuse bearish market will be turn to bulish, I expect that BTC will increase dramatically within two three year.
So from that, learn the market first and then find the best exchange for you, there is a user-friendly exchange. You can try to play with the gui first. Invest in it now before it's too late. Also diversify your portfolio, there are some altcoins out there that potentially make you rich.