I bought the multiple (six pads) launch controller from Pratt Hobbies for about $150, which I think is a good deal. One thing to keep in mind that the electrical and/or extension plugs are packed together closely on the launch controller as shown in the first photo, so only certain extension plugs will work. The controller only comes with about 5' or 7' length wires, so buying more wire is mandatory and can get expensive. I found similar extensions at Lowes, but they had a two outlet plug on one end. I thought that was uncool, so I didn't buy it. In retrospect I probably should have bought it, because it might have been less money and sure would have been less work. This aspect alone shows how the cost of small parts can add up. A 15 foot extension cord is probably around $15, so for 6 pads the cost is already up to $90. I bought a spool of wire (clear insulated wire is cheaper) and many plug connections. It was time consuming to set everything up. The directions stated that about an additional 25' will allow higher power motors. I now realize that I needed to allow for the additional distance for the wire to drop down from the launch controller table and the additional distance to go back up the launch rack, so really more than 25' of wire is required for higher power motors (see last photo).
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