Learn about differences between debit cards and credit cards (and why credit cards can be useful when you go on holiday).
Links and resources:
https://www.moneysupermarket.com/credit-cards/rewards/-Use this to compare credit cards
https://www.moneysupermarket.com/credit-cards/advantages-and-disadvantages
https://www.moneysupermarket.com/credit-cards/why-do-i-need-a-credit-card/
https://www.moneysupermarket.com/credit-cards/guide-to-credit-card-protection/
https://www.money.co.uk/credit-cards/should-you-ever-withdraw-cash-on-your-credit-card.htm
https://www.money.co.uk/guides/when-to-use-your-credit-card-or-debit-card.htm