I use the system I bought from polishyourball.com (look on YouTube for vids). Came with a spinner (which I am currently in the process of extensively modifying), a cup you can use either in your hand or on a drill, and a few different pads and buffing covers. Takes a bit of getting used to, but once you get it down, it works pretty well. It's definitely cheaper than buying a motorized spinner. My only complaint is the spinner part. It's an off-the-shelf aluminum bearing turntable, which I think you can get at McMaster. It has a plastic cup on the spinner that is "supposed" to hold the ball. It's poorly sized, and I've had a ball jump off on a number of occasions, or twist and turn while it's on the cup, ending up where you didn't start. I am making a bigger aluminum cup to better hold the ball, with a rubber ring to grip better. That whole thing will get mounted to a 12 x 12" plate. Should be pretty stable when I'm done. I'll post pics. Pays to be a machinist.
When I sand, I clean with Monster Tac first, then sand to whichever surface I'm going for. Clean again with Motiv Power Gel. If I polish, I use Motiv Power Gel polish. Works well, and quickly!
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