Is cashback or switch bonus taxable?

In our Question Time podcast, Martin Lewis gives you answers on absolutely anything and everything, including: how to get hotel money back on flight cancellations, do investments have the same protection as savings if a provider goes bust, should I stop putting money in my LISA, and what’s his favourite type of music?

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 city, what he does in his spare time, or have a very complicated question about your finances, email it to MartinLewisPodcast@bbc.co.uk.