Self car wash project: no shop operators, natural rented storefront space savings, and no renovation costs, equipment acquisition costs are not high, and environmental protection and water for industrial and commercial tax and other administrative examination and approval of trouble no. Do not hire maintenance, there will be no artificial wage costs, no administrative costs, no training costs, no office rent, do not send welfare and so on. Self-service, unattended, eliminates the need for operators to bind or limit, may have more free time living and working space. Wash the car owners, we collect the money every day. This is passive income, you travel, eat, sleep, still make money.