How long does a typical full application, done by hand (no PC yet) of Zaino last. ZFX (Cure Accelerator Additive), Z-2 (Polish for Clear Coated Finishes), Z-5 (Polish for Swirl Marks and Fine Scratches), Z-6 (Ultra Clean Gloss Enhancer Spray), Z-7 (Wash Agent), Z-18(claybar). The car isn't going to be garaged (no garage

) so it will be out in the weather, road salts, rain, snows, wind, other yuckyness. I don't want to spend $80+ on polishes, and have to use them a whole whole bunch, if the longivity isn't too good, I'll stick with Meguiars.