I largely agree, though if you want to branch out - I would do it with only a minority portion of your BTC. So keep plenty of BTC as that makes great profits by itself, and then satiate your desire to branch out with just a bit of it.. e.g. 10% to start with - and see if you can outperform your BTC gains in terms of % increase over a decent amount of time (months at least to account for short term pumps). If you loose your 'branch out' money - replace it with fresh fiat deposits if you want to continue experimenting.. you will have already proved you can't outperform your BTC so make sure you keep the BTC you have left!