I will not invest bitcoin at the moment, it puzzles me. 2017, bitcoin prices will increase as bitcoin loans are the primary currency. In 2018 I saw a lot of bitcoin imbalances at times when it came to the point where I could not believe 
first you should ask yourself if you understand the technology and if you understand the underlying fundamemntals.
if you do, you should ask yourself if you want to support this idea and technology. Maybe because you dont like banks
or because you just dont want to trust any thirdparty with any of your inforations.
if you want to support, invest.
if not, dont!