Martin Lewis has issued an urgent warning to people when it comes to their bank accounts.
In his latest round up for Money Saving Expert (MSE), the website founder stressed that people need to be switching if they don't get much out of the bank they are with currently. The financial guru has said that "millions of cash ISA savers" could be being underpaid - and it's worth checking to make sure you are not one of them.
In his post, he explained that "top cash ISA rates have more than trebled in the last year. Even before that, millions with cash ISAs were underpaid. Now the gap is even bigger."