And in 2026 the rules around that particular habit changed more than almost anyone on the sofa noticed. The old cross-product promotions, the ones that made an offer look bigger than it really was, are gone. Keeping the night in a good oneNone of this touches the oldest rule, which has nothing to do with tax. The big night in is not going anywhere. But the easy shortcuts that used to shape it have quietly stopped working: chase the bonus, trust the famous name.