So 2017 proved to be the best for the bitcoin till now but still the great Officials of many companies are busy in predicting the greater roadmap of btc in 2018 and so on so will it be possible for bitcoin to go more and more high ?
yes bitcoin will be profitable you can see the changes in past years. maybe in 2020 bitcoin will be more expensive and profitable thats why we need to invest as soon as possible to avoid a big risk.