Value for Creating an office space in sfh

[Ashlee Chou]

Have a rental property for either short term Airbnb or long term rental. Sfh, 3b1.5b. Property manager suggest to add an office space by dividing a living room. To do so, add a floor to ceiling kinda door. The original room goes to garage and backyard. After dividing. The office with go to backyard. But can go to garage from office kinda. Cost 3000. Is it worth Doing so?