There is a possible way round the 80 limit, if you really need to.
Divide your shopping into separate lots and put dividers between them and say you are shopping for 2 or 3 different households. Admittedly this will not work for online orders.
But last week I was shopping for myself and a friend so had a basket in my trolley with her food and put it through the till separately.
So many questions being asked!
What slang do you remember school teachers using?



