Does your DH have vacation time? He might consider taking a day of it to go to the cannery and get help butchering the cow. That might be worth it in the long run. I agree with you about the security of your meat when taking it to a processor .... so it can be worth it, but having a good place to work to keep the meat clean, a hose if needed, a meat cutting saw, the long type, not a glorified hack saw, (a chain saw that is out of bar oil can be used to halve the critter), ...