Two recent example. He is on 1 regular prescription per month which he pays for. Came back from the doctors the other day with 2 new prescription items which he paid £14.40 for. Gently pointed out that a pre payment cert may be better. Especially as current prescription is now due.
Went shopping and agreed to buy an £80 lego set for dd. Turned out that dd had asked for a cheaper set but he talked her into more expensive one.