@entrepreneur: Jeremy Barker was a firefighter and paramedic when he started building hidden doors as a side hustle in 2012 — making $30,000 in year one while working nights and weekends. Murphy Door hit $5M in revenue by 2016, entered COVID at $7M and grew to nearly $28M in annual revenue in 2024 with 70% year-over-year growth. This is the story of Murphy Door.