If you're trying to save money on your holiday accommodation, what are the options? And what do you have to think about if you want to use Airbnb? Sarah Pennells speaks to this week's Young Money Champion, Rachel Healy, about how Airbnb works, meanwhile David Weston, of B&B Association, debates whether it would be cheaper to stay in a B&B. Will Coldwell, Journalist at The Guardian and Guardian Travel, also tells Sarah why he's concerned about organisations such as Airbnb.