Do this to make a laundry mat, car wash, and detailing business profitable and self-sufficient:

1. **Efficient Operations:** Streamline processes to maximize efficiency. Implement time-saving technologies and ensure smooth workflow to serve more customers.

2. **Quality Service:** Provide high-quality services to build customer loyalty. Satisfied customers are likely to return and recommend your business to others.

3. **Pricing Strategy:** Set competitive yet profitable prices. Consider bundling services or offering loyalty programs to encourage repeat business.

4. **Marketing:** Utilize effective marketing strategies to reach a wider audience. Online platforms, social media, and local advertising can help attract customers.

5. **Customer Experience:** Focus on creating a positive customer experience. Friendly staff, clean facilities, and prompt service contribute to customer satisfaction.

6. **Maintenance and Upkeep:** Regularly maintain equipment to ensure smooth operations. Clean and well-maintained facilities create a positive impression.

7. **Diversification:** Consider offering additional services or expanding your business model to cater to different customer needs, such as selling laundry-related products or providing subscription services.

8. **Energy Efficiency:** Implement eco-friendly practices and energy-efficient technologies to reduce operating costs and appeal to environmentally conscious customers.

9. **Employee Training:** Train staff to provide excellent customer service and perform tasks efficiently. Well-trained employees contribute to overall business success.

10. **Community Engagement:** Build a positive relationship with the local community. Sponsor local events, collaborate with neighboring businesses, and participate in community activities to enhance your business's visibility.

Remember, adapting to market trends and continuously seeking ways to improve your services will contribute to the long-term success and self-sufficiency of your business.