Mike Ettenberg spent 10 years as a firefighter, but was constantly losing or breaking his sunglasses on calls.

Frustrated, he decided to take matters into his own hands.

Frontline Optics makes durable sunglasses for first responders with a no-questions-asked replacement policy.

Despite having "no business experience," the Side Hustle Show listener took Frontline from side hustle to full-time venture, selling over $1M worth of sunglasses along the way. 

Tune in to episode 649 to learn:

• How Mike found his first customers
• The "microinfluencer" strategy that generated consistent sales
• When he felt comfortable quitting his firefighting day job
• His plans for the future

Full Show Notes: This Firefighter's Side Hustle Grew to $1M in Sales

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