An 18-year-old brings in $300,000 a month selling 3D printed 'reload can holders.' Here's how he comes up with unique product ideas.

"I didn't know if it was that good of an idea, but I just posted it on Instagram to see how it would do. The video went wild.
The New York Times

About New York Times Games

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...