Money Saving Expert Martin Lewis has explained how to make £300 through "stoozing".
The consumer champion went on social media to share the technique, which is the clever use of credit cards. He said: "In c2001 online bank Egg gave me a 0% card, I took £5,000 from it and put it in the top savings, which happened to be with... Egg!
"So, I earnt 6% [£300/yr] on money it lent me for nowt! It’s called STOOZING and it's back!"
