This sounds more an more like walmart distribution the more you point at the downs. A sergeant in my national guard group said he did packaging for amazon, and it wasn't that bad. He said everyone only did 5 hour shifts wherever he worked wich I guess is ok. I worked the nitty gritty 3 12 hour shifts saturday through monday when I did walmart, and there wasn't enough ibuprofen and "skin regenerating lotion" in the world for that shit.