PPI should be inconvenient

The one-stop-shop is a relatively new phenomenon that may have brought many benefits, but they have come at a price and in some markets it is the most vulnerable that are paying. Grocery retailers, the undisputed masters of convenience shopping, have lured consumers into bulk purchases at low prices to make their profits, but in the payment protection insurance (PPI) market the reverse is often the case. It is not about selling multiple policies to each consumer, but more about making the highest margin from each sale. Certainly historically this seems to have been the philosophy of some...