There's no question that it's been a good investment, particularly if you bought at the right time.
Most of the pioneers here in bitcoin and cryptocurrencies they bought some good amounts of bitcoin at 2010 did sold most of their bitcoins on 2013 due to the high price. Most of us here do regret that we did not buy any bitcoins at that time but, think about it only a few would get into it because somr would think bitcoin as a sacm.