I am neither a cop nor a lawyer, but I'm pretty sure the "drive around with an expired license and a printed copy of the appointment" advice is going to get you in serious trouble.

I got stopped for a dead tail light once. My father was taking me and my wife out to dinner. I offered to drive on the way back, without realizing that I had somehow neglected to bring my wallet. The cop was able to 100% verify that I did, in fact, have a valid license, but he said under no circumstance could he allow me to drive the rest of the way home. Since there were other drivers in the car it wasn't the end of the world, but:

Another time my mother didn't realize her license had expired. It was when the state stopped sending out reminders in the mail and she just spaced on it. She got stopped for something minor and not only was she not allowed to drive the remaining ~2 miles home, her car was impounded. It was a huge ordeal.

I guess maybe you might get lucky and interact with the nicest cop ever, and they happen to be having a great day so they look the other way and let you drive on an expired license, but that seems super unlikely.

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Thank you