What refill systems really cost once you count the trips.
Two bottles sit side by side, one at twice the price of the other, and both claim sixty washes. One of them is telling the truth and the other is...
A litre of milk in a plastic bottle costs about a dollar twenty. The same litre in a returnable glass bottle costs two dollars plus a deposit. The deposit is...
A three pack of peppers wrapped in plastic costs four dollars. Three loose peppers from the same shop cost two eighty. Nobody compares them because the wrapped ones are already...
A shampoo bar the size of a biscuit claims to replace three bottles. A bottle claims to last two months. One of those claims is usually true and the other...
The refill shop looks like the obvious right answer. Jars on shelves, no plastic, a vaguely virtuous feeling at the till. Then you get home and realise you paid eleven...