I agree with you completely. Bitcoin is going to explode over the next few years. $10K New Year's? I have it $10K in the first quarter of 2018 so it isnt that far off form your viewpoint.
There is no reason to sell BTC unless you are a trading bouncing in and out. It would be like selling Amazon at $100 a share because it went up from $50.
Wait until Wall Street money starts rolling in...Bitcoin will absolutely explode then.
Remember Bitcoin is at $9000 as we speak :) I include all forked versions of the legacy coin. I mean, why not? If you own your private key (as we all know we should by now) you own 9000$ worth per Bitcoin you control.
I totally agree on the rest. It doesnt really matter about these forks. One of them will explode.
And in general..if you're involved in the crypto currency space right now with a diverse portfolio with lets say 10k USD..hodl for 10 years and youre a millionaire.