Martin Lewis warned Britons to “stock up” on a £1.35p item as an imminent price hike approaches.

The price of one standard first-class stamp will jump by a whopping 22 percent from Monday, October 7, increasing from £1.35 to £1.65.

Mr Lewis, founder of consumer finance site MoneySavingExpert.com, has been a long-time advocate of the practice as an easy way to save costs.

The MoneySavingExpert newsletter shared advice from the cost-cutting guru, in which he explained: “For years, every time…