It's beginning to look a lot like summer, and that means it's the perfect time to make some savvy financial decisions, especially if you're one of the lucky Brits who'll be travelling abroad in 2014.

Martin Lewis - the Money Saving Expert himself - is one of the most respected names in personal finance. Over the next five weeks we’ll share his opinions on everything from juggling multiple accounts to wasting money.

Here, Martin takes on the subject of banks, and whether they’re really there to help…

It's an age old argument - can agents negotiate the best deals or is the flexibility to sleuth out a bargain far more valuable?

If your flight gets delayed or cancelled, your carrier will be under contractual and legal obligation to assist or reimburse you for the inconvenience. But what else do you need to know about your rights?

Working out how to save money when you’re booking a flight seems to get more complicated all the time. Whatever studies may tell you, there’s no right way and no one answer that suits everyone; every traveller’s situation is different. But if you plan carefully and shop around, there are a few ways to make sure you’re getting the best deals. Whether you have a fixed schedule or are happy to be flexible with dates and destinations, it’s best to decide on some key points as soon as possible.