When I was running snares before the snow matted the grass down I would catch roughly one coyote per day for every 20 snares out.
This was 99% right of way trapping so I could hit a big area in a small amount of time.
What I learned so far: stay off trails that are beat to dirt they have too many deer, stay away from deer in general, I like spots that have thick cedars they’re coming in or out of and you can tell deer aren’t crossing there, if I get a snare knocked down more than once I’m not re setting it( to me that means there’s something crossing there that isn’t coming through at coyote height aka: deer , and eventually that deer will come through with its head down if you keep re setting it) , I burned all of my stakes and wire ahead of time , I boiled my snares in baking soda water and dyed them brown, wear clean gloves for setting and find a way to keep dead coyotes off of your traps you are going to set like a lick tub or a tote with a lid.
I just started doing this last year and definitely have a lot left to learn but that’s what I’ve picked up so far. I wish more people would try setting a dozen somewhere on their daily route, even if you’re killing a coyote 20 miles from your farm you’re helping the herd.