I've helped butcher 6 hogs since the first of the year. 4 one day, and 2 more, maybe a month later for another friend.
There were 5 of us working on the first 4 pigs. We skinned them, really once you get started, it's just like working up a deer or anything else.
Good weather and let them hang one night, then sliced and ground the meat the next day.
Not sure? Lots of folks think that working up a pig is just too much work. We had the first 4 hanging, rinsed off and cleaned up, hearts/livers ready for slicing. I was cleaned up, and ready for work, before 2pm.