Airbnb has unveiled a new service on its platform that will allow renters in the United States to earn extra cash by hosting part-time guests in their apartments.

Industry watchers say the amount of sublease space on the market in Columbus should remain flat throughout the rest of this year. That's not because space will stop being listed, though.

Subletting an apartment in New York requires the landlord’s permission, and comes with a level of risk than may not be worth the rent you collect.