[Svperstar]

If you sold two companies for 9 figures why are you concerned about paying $40 for parking?

[renewiltord]

As bizarre as it may seem, there is an overlap between these two sets of people that is non-trivial.

[CerealFounder]

I think the better question is closer to why did I choose to endure building two companies. The answer is closer to having unreasonable principals about random stuff )and being abnormally competitive), which directly answers your question.