Before you blow your cash learn to wax/wash a car first.
Of course, this is assuming you don't know how, if you do, please disregard this post.
I read mbworld.org detailing instructions over and over and I totally bombarded the moderator with questions for weeks on end. I read autopia.org like the bible (no, not really, I'm really anti-religion) and read every single post before my head blew up.
Look at what I was able to get, with less than 20$