When you buy a self-serve car wash
you can expect to generate between $1200–$1600 per bay, per month. Average operating expenses for an automatic car wash are around 35% of gross sales. Labor costs are generally low, usually running around 13 percent of gross sales.
According to a survey in Auto Laundry News, profits can range from $55,000 to $100,000 per year.
While there are no companies that control large portions of the market, there is plenty of competition. But given the amount of cars on the road, there is also plenty of demand. When it's all said and done, even an average performing automatic car wash is capable of generating an above average income.