In 2015, I lived and worked in Mombasa. I had rented an apartment that had a servant quarter (SQ). The estate was very beautifully done with landscaped gardens, a swimming pool clubhouse etc. We decided to furnish the SQ and let it out on Airbnb. This was the best investment decision that we made as a family that year. We would let out the SQ at $26 a night. The rent from the SQ would pay the rent for the...