Highest paying car dealership to work for?

Just started a career in the automotive world as a technician for Toyota. After a couple months I decided to leave it for a position as a Parts counter person for a Kia dealership who is paying me a little better.

Now my question is that I want to continue to grow in this field and I want to know which car brand tends to be the absolute best in regards to parts counter? I have a feeling I should one day switch to a Ford or Chevrolet dealership as an experienced parts counter person or even Bmw or porsche?

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