"When paying by card was a minority activity, you just swallowed hard and took the hit to maintain customer service. As we move closer to a cashless society, it can only get worse.
"The big companies can negotiate their card charges down to a few pence. Small traders can't do that, so I am effectively subsidising Tesco.
"The one guarantee is that when setting pricemarks, the manufacturer is making sure it protects its margins and, presumably, the wholesalers', at the expense of the retailer.
"Funny how seldom you see pricemarks in supermarkets."
As an afterthought on the subject of the tobacco display ban she adds that cigarettes could be put into opaque packaging with just a small identifier, rather than retailers having to hide stock out of sight.
This, she says, would have the benefit of allowing the cost to fall where it should on the manufacturer rather than the retailer and be much easier to implement as manufacturers could do it virtually overnight.