Whenever you want you can invest in cryptocoin. If you feel less timely to invest in btc, maybe eth can be an option. Like me, start adding investment portion on eth. Without worrying if price goes down. I am not looking for profit on this day, but profit in the future.
Yes the good time to invest in bitcoins and ethereum is right now and hold all of them for long time
will gives us big profit in the future, it is strategy of investors taking profit for long time in the future
this strategy doesn't suitable for the traders who search fast and short profit in fluctuating of price.