If there's a huge challenge facing HomeAway, it's to keep growing its database of property listings while maintaining pricing power.

See, as vacation rentals get more popular with consumers -- and they are -- landlords are obliged to advertise as widely as possible, which means going for the widest possible distribution at the lowest possible price. Alternatives such as TripAdvisor's FlipKey and Holiday Lettings of the U.K. are growing fast as a result, with subscription revenue up 53%  in the third quarter alone. But now HomeAway has an answer for its rivals, and it's a doozy. Find out more in the following video.

Fool contributor Tim Beyers is a member of the Motley Fool Rule Breakers stock-picking team and the Motley Fool Supernova Odyssey I mission. He didn't own shares in any of the companies mentioned in this article at the time of publication. Check out Tim's Web home, portfolio holdings, and Foolish writings, or connect with him on Google+, Tumblr, or Twitter, where he goes by @milehighfool. You can also get his insights delivered directly to your RSS reader.

The Motley Fool owns shares of TripAdvisor and HomeAway. Motley Fool newsletter services have recommended buying shares of priceline.com, TripAdvisor, and HomeAway. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. Try any of our Foolish newsletter services free for 30 days. The Motley Fool has a disclosure policy.