Yes, self-employment requires a lot of self-discipline. It's working 120% without knowing for sure that the effort will pan out financially. It also means always putting other people first, whether it's employees or customers. This might be where many people shoot themselves in the foot by optimizing short-term gain and ultimately losing credibility and trust with their team and clients, both of which are necessary but not sufficient for long-term success.
RE: The Value of Consistency and Perseverance