kendor said:
if they are such a good customer then good businesses usually offer generous discounts to keep the customer happy, there's nothing wrong with that.
No, there's nothing wrong with that and you're pushing your luck now
I got to be careful how I say this, they pay next to nothing because the other buyers have to pay more for it to make up for it & it's not good for small retailers businesses.
Tesco don't make profit on petrol and it just to get you into their shop.