I just finished making a tutorial on how to build a Arduino gamepad-based controller for any of the AlexMos-based gimbals out there with Bluetooth. The build itself is super-easy to do, probably taking about an hour or so, and the parts can be had for under $100, so I think it's a great option when you want to have one person control the camera while another controls the gimbal. The bluetooth transmitter claims 100ft range which I'm dubious of, but I've had no problem using it in the 30-40ft range, which is typically about as far away as I get from the gimbal when I still want to control it.
I also added a couple cool features to the gamepad, like the ability to set multiple camera positions, and then quickly switch through them - which is great for the whole camera-automation side of things. You can also easily control the speed and range of each of the analog joysticks, so it's a bit easier to get smooth movement when you want them.
Hopefully everyone enjoys it as much as I do! :)