I’m not a supermarket snob, I’m as comfortable in Aldi as I am in Waitrose. One might be posh frocks and fancy pants and the other pockmarks and farty pants but that doesn’t mean etiquette standards should slip. The rules are the same wherever you shop. I’m not going to tell you where to shop, … More White lines and massive kites. My guide to supermarket etiquette. Part one. The Car Park.