It's good that you already know the risk in terms of investment and also it's profit if you invest correctly. Bitcoin is a good investment but with regards to best investment, bitcoin is in the top so we can consider that it is best choice or common investment currency for most of the crypto lovers.

But if you are talking about ROI, there are many currencies out there that can beat bitcoin in terms of price increase that is the reason why my answers to your poll is crypto in whole and not only bitcoin. There are many traps in crypto world, so what I can advise to you if you plan to invest in bitcoin is you need to wise and make sure that you think twice before you are going to decide.