Looks like Bobby answered the questions. I would add since you have OPC mix it 3:1 and pre soak the car to help remove the old wax. After polishing I would use the paint work cleaner and not IPA.
It's not 100% and sure is No miracle. I cleaned my tv applied fk425 to half and checked it in bout a week and you could see a difference. Now the side with 425 had dust but it was noticeably less
There are a lot if options. Meg microfiber pads with D300, optimum mf pads and optimum polishes, traditional 5.5" flat foam pads Prima Swirl, menzerna SIP