What would you do with a Groundhog Day time loop?

I watched a movie recently that was similar to "Groundhog Day" in that the main character relived the same day over and over. I don't know if "Groundhog Day" invented the genre, but it's pretty amazing to think of the number of movies following the same plot: "Before I Fall," "Edge of Tomorrow," and "Happy Death Day" (the movie I just watched) to name a few.

Columbia Pictures
The movie got me thinking about what I would do if I were to ever be caught in a Groundhog Day time loop. First, it...