I did this interesting little story as a creative writing exercise last year (2018). The premise was simple - grab a random book. Turn to a random page. Read a random sentence. Now turn it into a story. Don't think, just write the sentence (or not) and the continue it to a story. Then end. …
Let's come up with a story idea!
Interesting story idea - They made us. And now they’re killing us.
What are you? An outliner? A pantser?
Let's talk about which is which, specifics, then we can get into my hybrid method. After that, we can work out which is best for you. You may find out that what you thought about each method isn't what you expected.
Are you serious about improving your writing? Do you want to become a better storyteller? Are you serious about making a living with your writing? Join my new [and quite different] writing group on Facebook!