Welcome to the challenge of August, which is going to be all about Time; mostly fiction dealing with Time Travel, but also other topics to do with Time, and the manipulation thereof.
Today we start with the fundamentals: The Rules Of Time Travel. These can vary greatly between stories, and today we ask, what do you prefer the rules of time travel to be? Do you like them loose or strict? Rewriting the present or constant generation of new timelines? Etc.
Bonus Prompt: What story has the most nonsensical/confusing time travel rules?
Extra Bonus Prompt: Whats the most flagrant case of violation of its own supposed time travel rules?