Sorry, I'm going off on a slight tangent here. In regards to "looking the part" when you go shopping.
It may be unfair, but dressing to shop does make a difference to the service you get. If I want to buy clothes, I dress nicely and the sales people take me as a potential buyer. Even better service can be ensured by carrying a shopping bag from a branded department store. If they think I shop at "Fancy Brand Name Place", it seems to enhance my status in their eyes.
Just some food for thought...
Back to the dealers.
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