There's been a course for that since before 2015: https://30x500.com/academy/

I am currently taking it.

From the landing page:

> Most of us, when we want to ship a product, we start at the beginning and with the most obvious ingredient: the product. Because when you can create, the act of creating feels most natural and straightforward. But it makes it so easy to end up with a product that nobody wants to buy. And isn't that every new entrepreneur's worst nightmare? All that work, and nobody cares.