Reminds me of my pizza delivery days. Some weird shit off the top of my head that I can remember:

The escort who would always without fail answer the door in lingerie, but would never tip. Like she thought seeing her like that was tip enough. We would rock-paper-scissors to not deliver to her.

The asshole kids who would try to pay with their parent's spare change, literally hundreds of pennies. We had to blacklist them.

The time I delivered to a field in the middle of nowhere, where there was 2 dozen obviously underage 16-ish year old girls in swimsuits on a slip 'n' slide, "chaperoned" by a bunch of skeevy older men.

The time I had to deliver to an abattoir after hours, and they had me deliver to room with the hooks (everything was cleaned, but still hella creepy).

The time a got paid in weed (still would have rather gotten a tip).

The time I got chased by a bunch of rednecks in a pickup truck with baseball bats.

The crazy cat woman, literally more cats than I could count swarmed me as I got out of my car. Like you couldn't take a step without accidentally stepping on a kitten. I love cats. That shit was the stuff of nightmares.

That time I almost hit a stray dog on the highway, pulled over to shoo him off the road only to watch him get pulverized into shit and blood before I could get out of my car.

I remember delivering to Charlie Henderson's house. Charlie Henderson owned "Charlie Henderson Ford," so I knew what he looked like from his dopey commercials. Nobody there, obviously a crank order, when I'm walking back to my MG Midget with 4 pizzas and Charlie Henderson walks up. I say I have a delivery for Charlie Henderson, he says "I didn't order no pizzas. And I'm Charlie Henderson!" He bought em all and gave me a 10 dollar tip.

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After a decade or so in outside tech'ing it in the 90's, I feel I could have written a book on this shit myself. I remember being in a theater and a guy was complaining to the manager about a couple with a screaming brat in the movie.

The managers response - "meh - some people just suck." Best nutshell of customer service ever.