Scott P said:Clearkote's Carnauba Moose Wax. I can do a car with les than an ounce. A pint will probably do my car 20 times. Not bad for $18.00.
Well jeez, then what about AIO and SG? I decanted some SG into a 2oz container and then used less than half that to do a Chevy Trailblazer! I used about 1.5 oz of AIO.
The cheapest product I can think of is the knowledge of how to avoid creating swirls, through improper technique. But, I suspect the fellow in question already has a handle on that, and is looking to go up one step.
Tom