I process my own. I do all my own jerky andsausage(Ipay othersfor larger tubes like summer sausage, etc). The process is time consuming but rewarding and I encourage people all the time to give it a go. Honestly it isn't as difficult as you may think and no matter how good you are you always have a trim pile(grind) so nothing is ever wasted or ruined.
I also custom cut as a sideline, my average net income is 20/hr not a real cash cow but it has been a way to pay for better tools and I do enjoy it. BTW my dad and uncle were both butchers so I had an earlier start then most

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