I was there today over lunch and picked up a couple more to finish out my garage lighting. Costco also has a ton of other LED bulbs on sale if you need standard light bulbs or flood lights.
The agriculture industry is a closer comparison. They already have this in tractors for plowing, planting, harvesting, etc. Set the boundary with GPS, enter the equipment (if it doesn't already know just from hooking up), and hit go.
I tried looking through the thread and didn't see an exact answer to this. I started hanging my lights the other night and checked. The cord is about 58" long.
Maybe look into a company that makes / sells tarps and covers for soft sided semi trailers.
Example:
http://www.loadcovering.com/flatbedsidecurtains.htm
I had one of the Larson full glass security storm doors at my previous house and I was very happy with it. The latching mechanism felt very sturdy and had a nice solid feel to it. The door also held out the cold Wisconsin air very well.
I updated my original post to get the correct parts on the layout sheet. I have not built this cabinet. I just came up with the plans as a challenge to see what kind of yield I could get from the plywood. In my opinion, it's a better design than the smaller cabinet that I posted first. Mostly...
I changed the oil on my two motorcycles. I'm storing them at a friend's house for the winter and I'm hoping I can get the garage a lot more organized in that time.