I must admit I am puzzled.  There was ample warning and accurate prediction of Mike days before landfall - and people didn't prepare? - buy a bit of canned food and fill containers with water, check conditions around the house, etc.
I was intrigued by the comment that food in the fridge had spoiled two days after the event.  Food might not be really cold, but certainly should be edible, with a bit of preparation.
Frankly, my impulse would be to drive about two hundred miles and get out of the way of the coming storm - inconvenient, to be sure, but way better than staying.  Of course, individual circumstances vary, and this may not be feasible for all, but still... 
73 hours: That’s the time from when Michael was named as a tropical storm with 40 mph winds until it made landfall as one of the most powerful hurricanes in U.S. history. Initially, many expected a landfall along the lines of usual in October in the northern Gulf of Mexico, something like a Category 1 or 2. Michael had different plans.
1 mph: That’s how far Michael was from Category 5 at landfall. Highly unusual, especially in the northeastern Gulf of Mexico. Hurricane Michael enters the books as the fourth-strongest hurricane to make landfall in the United States based on wind speeds. Only three infamous Category 5s — Labor Day (1935), Camille (1969) and Andrew (1992) — rank higher..