I don’t know if they still do it, or if it’s as lucrative as it used to be, but back in the 80’s when we were around 18-20 years old my brother and I both got 6-week jobs at UPS over the holiday rush as drivers assistants. Between the decent hourly rate and the huge amount of overtime we made a ton of money. But it was a hell of a grind. We’d start at 7 am with a truck packed literally to the gills with packages. We’d get it all delivered then meet up with another truck, load up our delivery truck again, then repeat the process. We didn’t finish most of those days until around 8pm or so…