'I completely cleaned out the first post office I went to'

Although he can't remember the exact figures, Glenn told us he bought thousands of stamps, some of which are pictured above.

As he was self-employed at the time, he was able to use his stamps for work invoices as well as personal cards at Christmas.

He's now used up all his second class stamps, but still has almost 500 first class stamps left.

He told us: "I had some savings which were earning less than 1% interest, but stamp prices were rising by between 30% and 40%, so figured I wouldn't get that kind of interest elsewhere.

"I completely cleaned out the first post office I went to. I bought £1,500 worth there and they were scraping around trying to find more stamps.

"I'm not usually one to brag, but I'm quite proud of this investment as they're now going up to 70p."

Glenn reckons he's saved himself over £1,000 over the years - and while we don't have the precise numbers, back-of-the-envelope calculations show the savings could be massive.

Only taking into account the 500 first class stamps Glenn has left, he's saved at least £120 compared to if he bought the stamps today.

And if he'd spent the rest of his investment on second-class stamps and used them over the last year, he could have saved over £1,300 compared to if he'd bought them at the time.

And Glenn's not only savvy when it comes to stamps. He also uses cashback credit cards to make the most of his spending and finds the best exchange rates on MSE's TravelMoneyMax whenever he goes abroad, as well as staying on top of the best energy deals using the Cheap Energy Club.