Stable income: Somewhat stable

Renting out a room in your home can be a moderately stable source of monthly income for most people who try it. Based on online research and common experiences, many individuals have found success in consistently earning from this side hustle. While there may be occasional fluctuations due to seasonal demand or unexpected vacancies, overall, renting out a room tends to provide a decent baseline income. If your best friend quit their job to do this full-time, you could reasonably say, 'You'll be fine.'