I think 700 range will be particularly violent. But I won't sell in 700 range to make a few extra bucks, b/c I don't want to take part in slowing down the process of going 800+.
I wouldn't sell at 800 either.... You will just be disappointed when it cruises past 1500-3000.....November gonna be a good month for btc
Alongside the coins that you have for trading purposes, you can also hodl a certain amount of coins for the very long term.
In that case you can benefit from short term trades and your long term strategy plan at the same time. No need to choose when you can do both.
The potential problem with such an approach lies in the lack of knowledge about where the price will stop. If it goes down, you can be pretty sure that it will stop at 0, but when it goes up, there is virtually no limit. So the price may continue climbing without a major correction for very long, and you might end up selling all your bitcoins if you stick to your guns (i.e. keep on selling until there is nothing to sell). I essentially use the same strategy, with the difference being that I try to keep my Bitcoin stash growing even if I'm selling...
So I'm more inclined to hold than to sell
things happen, and we always recover eventually. 
