I've been waxing my cars with regular $5 synthetic or carnuba waxes as long as I can remember, but I notice there's a lot more product offerings out there-- so I'm looking to step up to something a bit more premium that might last longer than 2-3 weeks which is all I get from the standard fare. So many products to choose from, I don't even know where to begin. Ceramic coatings seem pretty popular but not sure how they work or if there are better products out there. I could spend an afternoon reading about the stuff, but hopefully you folks can save me the trouble and point me in the right direction. Hoping to stay under the $20 mark, best bang for the buck is what I'm after. I don't need the best stuff on the planet, just something decent quality I can pick up on Amazon or locally.