As long as your investment is long term I think it will bring positive result in the long run, I don't see any other investment that will be profitable and easy to manage as btc investment, anyone can manage their investment from the comfort of wherever they are, aside that, investment involves risk as much too, all you need is invest according to your ability.
Bitcoin investment has proven to be profitable, I believe the trend of using bitcoin will continue to increase because more and more global companies are investing in bitcoin, all types of investments are certainly risky including bitcoin which can go down without tens of percent in a week, we must be aware and understand the risks before investing in bitcoin.