Just say NO to fees. One of the main ways dealers make money on cars is to pad prices with extra fees like “documentation,” “advertising” and all kinds of others. Eliminate the ones you can, understand the ones you can’t, and check the final contract to make sure that eliminated fees don’t magically reappear.
I've been giving financial advice for 40 years, and I'm a millionaire several times over. Here are the 10 best bits of financial advice I've both given and taken.