My New & Improved Flash Fiction Formula

I write a lot of flash fiction, and I’ve been lucky enough to publish a good amount of it. In fact, I recently published and entire anthology. The Molotov Cocktail collected 40 of my best flashes in a collection titled Night Walk & Other Dark Paths. But how do I write flash fiction? And more importantly, how do I write flash fiction that folks occasionally want to publish? Well, I have a formula, and it used to be three rules (which I covered a couple of years ago), but has now expanded to four....