The big mistake many make when saving or investing for their children…

Martin Lewis brings you everything you need to know about saving or investing for your children’s future, including: Junior ISAs, children’s savings, regular savings - and reveals the biggest mistake most parents make, so you don’t do the same! Plus, there’s car finance compensation news, as a claims law firm has announced it will take the regulator to court to try and increase consumer payments, but could it slow things down? You tell us the cheapest thing you've ever taken back to a shop to complain about, and Mastermind is all about which credit product has the most interest attached to it, you might be surprised by the answer! If you want to ask Martin a question, you now can! His Question Time podcast lets you ask Martin absolutely anything and everything (within reason!). So, if you’ve always wanted to know his favourite Morse code letter, how long he can hold his breath underwater, or have a very complicated question about your finances, email it to MartinLewisPodcast@bbc.co.uk.