I wouldn't go so far as to discourage anybody, but having tanned some hides in my time, deer, coyote, fox, beaver about anything I've killed, it takes time and space. around here there are a few independent skinners who kill and skin cows & calf's to be taken to the butcher, if you can find someone like this, you can get green hides reasonablely priced, but then you have to have a place to store them cool if your not starting work on it right then, then an area large enough to spread it out and salt it and get all the meat off the skin, which is harder than it sounds, it needs to be pretty clean to get a good leather.
the easy way to remove the meat right now is high powered water pressure, works a lot faster than doing it by hand, but it'll take around 3500# pressure to peel it off. but you can do it by hand, then when you get to that point, you'll need a container to put the hide in to tan it. after the tanning you'll need to stretch it and dry it and work it a little to keep it from being too stiff.
these are just a few of the things to think about, but like I said, get a hide and give it a try. it's fun.
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