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

In this episode of The Martin Lewis Podcast, Martin Lewis tackles the critical topic of saving and investing for children, highlighting a widespread mistake: parents overwhelmingly favoring savings accounts over investments in Junior ISAs. He emphasizes that while savings are safe, they often fail to keep pace with inflation, especially over long periods. In contrast, investing in broad-based tracker funds—such as global or S&P 500 index funds—can deliver significantly higher returns over 10+ years, even in low-interest environments. Lewis argues that Junior ISAs are ideally suited for investing due to their long-term lock-in until age 18, making them perfect for long-term goals like university funding. He warns that locking money away in cash Junior ISAs, while safe, may actually do a disservice to children’s financial futures by missing out on growth. The episode also covers the government’s new campaign to boost national investment, the risks of overdrafts (which he calls the worst form of borrowing), and practical advice on transferring funds between accounts, choosing providers, and understanding tax rules—especially the critical rule that parental gifts to children’s accounts are taxed at the parent’s rate if they generate over £100 in annual income. The episode concludes with listener questions and a humorous segment on 'tellers'—complaints about defective products—before a quiz on credit costs, where Lewis reveals that overdrafts, not credit cards, are the most expensive form of borrowing. Key takeaways include: 1) Prioritize investing over saving for children’s long-term goals, especially in Junior ISAs; 2) Use broad-market tracker funds (like global or S&P 500) to reduce risk and maximize growth; 3) Avoid cash-only Junior ISAs if you’re not using the money for short-term needs; 4) Be aware that money gifted by parents to children’s accounts is taxed at the parent’s rate if it earns over £100 annually; 5) Overdrafts are more expensive than credit cards and should be cleared first; 6) Regularly review and transfer Junior ISA funds to the highest-yielding providers; 7) Consider transferring child trust funds to Junior ISAs for better rates and investment options; 8) For children nearing 18, review whether to keep investments or switch to cash, but avoid forced selling during market downturns.