Junk,
I wouldn't say we are scaring him out of the idea, just giving him food for thought. I needed a 4x4 and the only thing I could find was a BUF (Big Ugly Ford) that had a plow on it. Didn't want the plow, but it came with the truck. Then the snow came and I fell in love with plowing. Then I was talked into doing it for hire. Cool I thought. What a PITA!! You are up early, out late, things break just like wheeling, etc. That's just the reality of it. Here are a couple of other things to consider:
1) I did a quick check on all the major plow manufacturers and none of them list an 80 application. Doesn't mean you can't put one on, but you would have to fab your own frame setup.
2) Plowing works better with a big block torque motor. There are times that you need to just muscle the snow at a slow speed. I would question if a stock 80 could do that. Yes you can plow with a 40 and I have friends that plow with Jeeps, but they just don't cut it especially with heavy wet snow like what I plowed tonight.
3) A landscaping/plow company makes a lot of sense as you tear up the yard when you plow. Doesn't matter how good you get at plowing, there are times you are going to tear the sod to pieces.
4) Todd is correct. Nothing beats a beater plow truck for usage. Plow all winter with it and haul all the home improvement stuff with it during the summer. I will never be without a truck now.
Just some more thoughts, ideas or whatever you want to call it.
Darren