I have a quick possibly stupid question. I have a black car and some pesky swirls and scratches, I am having trouble removing these by hand, I've tried buffing the absolute crap out of them with every wax, polish, compound in my collection and they won't come out, they aren't localized issues either, they are over the whole car from the previous owner. They aren't very deep though so I feel they should come out. So now I am in the market for a RO polisher and I don't have a lot extra to spend, that being said would one of the cheapo harbor freight, Walmart polishers do the job, or are these going to cause more harm than good? I definitely do not want to add to my collection of swirl marks already on the car. Anyone have any suggestions at all? I know you get what you pay for, but my arm doesn't go 2000 RPM and these do so I feel it may be better than what I'm doing here. Any input is appreciated!