Periods of intense difficulty, whether professional or personal, force you to learn and handle tasks outside your comfort zone that you might normally delegate. This forced growth, while uncomfortable, broadens your skillset and makes you a more resilient and capable professional in the long run.

A sudden, existential business crisis, like losing all inbound leads overnight, can be the catalyst for abandoning superficial training. It forces a move toward investing in deep, foundational skills like persuasion science, creating a more resilient and effective sales team that can thrive in any environment.

Spending years building a business for someone else (even a parent) while being undercompensated is a powerful training ground. It forces a level of conviction, humility, and delayed gratification that can lead to explosive growth once you start your own venture.

A sales background teaches more than customer centricity. It instills resilience and the fearlessness to approach anyone in an organization to get things done, a vital skill for navigating the cross-functional demands of product management.

Prioritize candidates who have navigated difficult situations. They learn more from tough times than from being at a constantly successful company where mistakes might be masked by overall growth. Adversity builds crucial problem-solving skills and resilience that are invaluable to a growing organization.

Resilience is not a learned trait for entrepreneurs but a fundamental prerequisite for survival. If you are still in business, you have already demonstrated it. The nature of entrepreneurship, where the 'buck stops with you,' naturally selects for those who are resilient and adaptable.

A founder credited his accelerator's grueling schedule—pitching to 20 investors weekly with harsh feedback—as a transformative experience. This intense repetition wasn't just for fundraising; it was a powerful training ground that polished his core sales and communication skills for all future business dealings.

A commission-based sales job, even if dreaded, provides foundational career skills. It forces you to become comfortable with discomfort and rejection, while teaching the universal skill of persuasion—whether you're selling a product, an internal idea, or your own capabilities to an employer.

Matt O'Hayer's complex barter exchange business was a 13-year struggle. Though not a runaway success, it gave him a deep education in many industries, particularly travel and media. This seemingly random knowledge became the foundation for his next, more successful venture, proving even grueling experiences build valuable expertise.