Yes, luck plays a part. But the truth is your grind improves your odds. The harder you work, the luckier you become. That is the real formula.
Work hard more in using your brain than using the physical strength in you, because this is most needed in digital currencies, we have to logical and also dynamic by our way of reasoning with bitcoin, this is the confidence we should have, because when we know what we are doing, to make costly mistakes will be avoided by us because we cant risk it to such level, anyone that knows what he is doing will always make it right to understand the benefits of why he must not waste his money and efforts at the cause of the bitcoin investment.