If you're planning a holiday this year, there's one crucial item on your checklist that should be ticked off first before you begin planning where to go and what to wear. The Money Saving Expert ( MSE ) News team and Martin Lewis have emphasised the importance of securing travel insurance as soon as possible after booking a holiday. Many people tend to leave it until the last minute, but as Martin Lewis recently explained on The Martin Lewis Money Show Live, without insurance, you may not be