One car wash, one polish, one sealant, one glaze, one wax, one QD, etc. to use regardless of car color or other factors.
Car wash: PB's SS&S
Polish (abrasive):
Menzerna FPII
Polish(chemical): AIO/Prime
Glaze: RMG
Sealant: EX-P (under the premise of topping with carnauba... otherwise Z2Pro)
Wax:
Pinnacle Sig II since it's pretty good on dark/light/metallic/flat
QD: Adam's
How about you?