Create a new house on a land that you already own this is effortless way to transform your garage into passive income and increase the value of your home! it could be a passive income to reduce the payments on your existing mortgage, or very profitable other option is listing the ADU on Airbnb for short-term rentals. another idea is to transform the garage into your office, saving the daily commute and office rental or have it as a separate unit from your home for elderly family members.