It costs travelers plenty just to get to their destinations.The steep cost of accommodations just increases the pain of being on the road. Airbnb offers an alternative, letting people rent out rooms in their house or properties they're not using as an alternative to high-priced hotels. Travelers save hundreds of dollars.The renters get to pocket some extra income.
The company currently offers rooms in 30,000 cities in 192 countries. It has also raised nearly $91 million in funding.The biggest hurdle to its success seems to be concerns with safety and the legality of the rentals in some cities.