BTC price will be around 800 - 1200 USD this year, high price means that BTC mining is more profitable. So it is also the right time to sale some spare BTC.
I think your not updated with some of the latest news about the projection and what is presently happening now with the investors coming into bitcoin so far. 800$ that's not going to happen now, as everyday pass by the value price of bitcoin was extremely getting increase.