I know taking profits is never a bad thing but could cost me a lot if this does continue to grow in price a lot over the next 6-12 months , that is my concern.
That's the risk on every investment, we need to sacrifice a lot of things particular with capital investment we had.
There's a lot of concerns not just you but for many traders including me. What I value nowadays is keeping my asset within control, don't easily dump when you see potential rise might soon take a big break.
Long term holding needs a lot of patience, eventually our undertakings will commence once our goal is reached.