Mental, financial and emotional efforts should be controlled when engaging in this industry. In terms of physical efforts, obviously, there's no need to. These efforts on the other hand will be needed in order to manage the risks in this investment; prices do tend to change from time to time. One wrong decision and huge loss would be the outcome.
What you must know is that bitcoin is not a quick get rich scheme or Ponzi scheme where you invest and expected to get an increase within the limited period of time. However, if you are venturing into bitcoin it should be that you are accepting all responsibility of any lost that may occur during the process otherwise, its advisable to only invest the amount you could be able to loose without any regret. Bitcoin invest have always been a risky investment and for you to enjoy all the benefits you needs to be a risk taker for you to reap it all and it requires a long term investment not a short term.
This impression is simply what puts people or non-crypto investors at risk; they assume that making or earning profit will happen easily in this industry but in reality, there's no such thing. A proof to this, are people who were already in this industry for years but are still suffering from losses simply because there's no certainty with market price movements, and this simply affects both profit and loss so better be careful no matter what.