SG is still the cheapest option out there. For RM700 and a 5 year warranty, i guess its a good deal. Others that i checked were all 2,000 and above and most came with much lesser warranty periods. So even if the SG lasts only 3 years, its still a good deal. But u should get it done ASAP before your paint starts to wear.

Yes u should not have waxed. SG works best when its applied to new paint surfaces. Anyway, just give Mr Choong a call and set the appointment. But make sure u tell him you have already done waxing on the car.