Jamie Siminoff walked into Shark Tank with a doorbell camera and left with nothing, but the world just wasn’t ready yet. Four years later, he sold 140,000 units in a single day, rebranded to Ring and turned a garage startup into a billion-dollar acquisition by Amazon. The Sharks didn’t reject his idea, they rejected his timing, and that timing is exactly what allowed him to define an entirely new category. The doorbell millions use today exists because one founder refused to quit after a public