Profit Models of Foreign Mobile Toilets

Foreign mobile toilets have diverse profit models, primarily achieving profitability through advertising, leasing, waste resource utilization, and innovative design.

1. Advertising Revenue Model
Germany's Wall AG achieves profitability through a free public toilet model, with its core revenue derived from renting advertising spaces on the exterior and interior walls of the toilets. For example, large billboards are placed on the exterior walls of public toilets, while small advertisements or digital screens are installed in the interior spaces, leveraging high foot traffic to generate advertising exposure revenue. Additionally, the company further increases revenue by providing public telephone services (such as charging for calls or incorporating advertisements), forming a closed loop of "free use + advertising monetization."

2. Long-Term Leasing and Cleaning Service Model
The U.S. mobile toilet company (operated by Daniel Tom) focuses on the construction engineering sector, generating stable income by leasing mobile toilets to construction sites on a long-term basis. For instance, with each toilet cleaned twice a week at a charge of $60, the total revenue from a single toilet over a two-and-a-half-year project cycle can reach $7,800. The company currently owns nearly 2,000 mobile toilets in the Bay Area of California, covering over 1,500 construction sites. By operating on a large scale, it reduces marginal costs and achieves profit growth.

3. Waste Resource Utilization Model
The U.S. company "Sanitation Energy" promotes innovative public toilets in Africa, achieving profitability by collecting human waste and processing it into biogas, biochar, and plastic products. For example, feces are converted into clean energy biogas for local community use or sale; solid waste is processed into biochar (usable for soil improvement) or plastic raw materials, forming a sustainable business model of "sanitation services + resource recycling" that simultaneously meets local sanitation needs and creates employment opportunities.

4. Innovative Design-Driven Sales Model
Although the Squatty Potty toilet stool is not a traditional mobile toilet, it achieves significant revenue through innovative design that addresses the pain point of constipation. Its product simulates squatting posture for defecation through ergonomic design, with global sales exceeding $175 million. In the U.S. market alone, sales of a single product model have surpassed 5 million units, generating revenue of over 800 million RMB. This case demonstrates that innovative design tailored to specific user needs can break through traditional industry boundaries and open up high-profit markets.