Why did you take pity?
What's wrong with her having a BMW with private plates?

I just searched Lincolnshire Handbags and there's nothing on the first page for anything closer than LN2 1LU which is 30 miles away fro Horncastle.

(In true Google User fashion, I did not look at the second page)

Little hint: The car a person drives tells you very little about her finances.

Maybe she got the car while things were going well and is now stuck making payments she can't afford? Or maybe she was able to save a lot during the boom times, and is still reasonably comfortable?

On the flip side, the newest car in our household is 10 years old. Doesn't mean we're on the breadline. And just to add some more personal experience - my last car was a 30k Audi. Was I rich? Nope, it was my company car and the only reason I got it was that I offered to take a second hand car. It was collecting dust so I got dead lucky - probably an ex Senior Managers car, who was earning double what I was.

Damn I loved that car!
 

If people choose to look for a handbag shop in image search, you've cornered the market. And topping photography, too; you have captured the essence of Horncastle's retail offer.

You have been of great service to your community and you can be justifiably proud of your public-spiritedness. I will lobby for you to be offered the freedom of East Lindsey District.

<edit>Incidentally, I notice that you mention the 'pretty lady's' boyfriend ahead of her flashy motor. Perhaps he plays some role in stoking your righteous indignation?</edit>