Bitcoin is one of the top-performing assets in the last 10 years when it comes to ROI (6,788.92% Return on investment from date of launch, $9,320 as of 6/11/19) but it is highly volatile which means there are risks associated with investing in Bitcoin, but there are less risky ways to invest in Bitcoin such as investing in Bitcoin mining.
Please note that this is not financial advice. Do your own research (DYOR) to see whether Bitcoin is a worthy investment or not and find out all the risks as well as benefits involved.