If I wax my car do I need Paint Sealant?

Most waxes are mainly Silicone based and last only a couple weeks depending on heat, car washes, and rain. Plus Waxes have no warranty against Acid Rain, Tree Sap [...]

What areas get rustproofed?

Below window lines, for example: doors, fenders, hood, tailgate or trunk, undercarriage except moving parts ,heated areas , and plastic.