Make money online: YES

Starting a car washing side hustle is generally remote-friendly as you can operate from various locations such as clients' homes, parking lots, or even offer a mobile service. There are usually no hidden in-person requirements, making it suitable for a flexible work setup. Online discussions on Reddit and Twitter indicate that many people find success with this side hustle, especially those who offer convenient services at competitive prices. Success may depend on your location, access to clients, time zones for scheduling appointments, and having the necessary equipment such as water supply, cleaning products, and tools. One potential red flag is the seasonality of the business, with demand fluctuating based on weather conditions. Overall, with costs ranging from $50 to $200 for basic equipment and supplies, you can start making a profit within 2 weeks of launching your car washing side hustle.