I like your bait stump idea, Jay. It's good that you can shoot right from your house, and the distance is close so a couple of sensors at your bait site will greatly increase your success. You can't sit up all night waiting for a coyote to "hopefully" show up. The sensor will alert you.
Here's how I have been hunting for a few years now. Maybe this will give you or someone some ideas that might help. You can also play around with whatever works well for you.
I have a little hobo-shack of a cabin on our farm where I shoot from. My bait site is 60 yards from the cabin. I use the Driveway Patrol unit and it works great for coyotes. DoubleUp put me on to them a few years ago and I have been using them ever since. He modified both the transmitter and receiver with an external antenna in order to get greater ranges.
You can get the Driveway Patrols on Ebay, shipped for around the same price as the Harbor Freight one mentioned. I don't have experience with that one but the Driveway Patrol has served me well. Whatever works, works. I operate 4 of them at my site and nothing gets through. Have dropped several coyotes while using them.
I place the unit low to the ground, maybe one foot high. That way it will catch a coyote, skunk or whatever visits.
If you place it too high it might miss. Also notice the piece of black electrician's tape on the transmitter. There is
a little red bulb that illuminates when the transmitter is tripped and I don't want the coyote to see it, so I put tape over it.
The receiver is loud when set off. That won't matter most likely since you are inside your house, but in my case,
I had to make it quiet. My unit has the speaker wire cut inside and a lead coming out the front plate that is
attached to a 3.5mm female plug. That way I can attach an earbud or headset and the coyote cannot hear
the alarm sound.
Problem is, that loud sound is still there and directly in your ear, so I purchased an inline volume control on Ebay
and that solved the problem. Now I can adjust the volume to a comfortable level. For anyone who might hunt
like I do, then this setup is a must.
Here's a few of the coyote I have dropped using this system. I also use night vision. I started out with a Gen 1
scope but now use a home-made night vision outfit.
Here's a link to some posts in the baiting section that might be of help. There's a lot of good information in the baiting forum. I have learned a lot from those guys.
http://www.predatormastersforums.com/for...899#Post2730899
With an alert system of some sort, you can now get some rest and only get up once the alarm sounds.
Good luck.