From the page: "When the children have grown up and moved away, many parents have plans for the rooms that become vacant in the family home.
But it seems that the lack of mouths to feed has ruffled the feathers of these so-called "empty nesters".
Some are turning to the internet to find interesting travellers happy to fill the space.
And a growing number are recognising the earning potential of these unused bedrooms.
Of course, the existence of lodgers is nothing new, but websites are now offering residents the chance to take in travellers more frequently and for just a few days. "