The loyalty card discounts are the ancient loss leader schemes with a modern angle on them.
Now every day can be a "sale" day with rotating products and you will never be completely sure what you're saving unless you have awareness of the normal pricing without taking the shops untrustworthy word for it.
Now every day can be a "sale" day with rotating products and you will never be completely sure what you're saving unless you have awareness of the normal pricing without taking the shops untrustworthy word for it.