henrysarabia

"The past is obdurate."

This concept is narritively explored in Stephen King's "11/22/63" if anyone finds this interesting.

The novel is an entertaining read and the audiobook available on the Libby app (requires a local library card here in the US) is high quality.

There are factors at play other than supply and demand

It sounds like what you're looking for is Notion. It checks most of your boxes, I believe.

I haven't read or heard of these but they sound interesting. I'd like to hear what you have to say about them