Bill, I tried the bait bucket here a few years ago. Our temps just aren't cold enough usually for it to last very long, and there's a lot of bait in a bucket that can get gone in a hurry, such as from buzzards, hawks, crows, possums etc. Bait seems to come hard for me, so wasting it is something I try not to do.
I have since been using small, cut-up pieces of bait scattered here and there, and an occasional deer carcass when I can get one. I have had just as much luck taking coyotes, actually probably more, with the small pieces of bait as I have with a carcass. When I can get a fresh-killed deer, I will many times cut it up into small pieces and put it in freezer bags. Those will last me for quite a while. I have found that putting a whole carcass out doesn't last long.
While a frozen bait, to my understanding, will keep a coyote busy for a while working at it, small pieces scattered around will keep them occupied too, long enough to get a shot. They can't eat all the bait in one place, but rather they have to put their noses to the ground and sniff out each little morsel.
Here are a couple of example of a coyote having to search for the small pieces of bait.
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