Creating a sustainable income by working only 10 minutes a day is a challenging task, as it is not typically feasible to generate substantial income with such minimal effort. However, if you are looking for ways to maximize your income with minimal time investment, here are a few suggestions:

1. Automated online businesses: Consider setting up an automated online business, such as an e-commerce store or a dropshipping business. With the right tools and systems in place, you can automate many aspects of the business, such as order fulfillment and customer service, allowing you to spend minimal time on daily operations.

2. Stock trading or investing: If you have a good understanding of the stock market and investing, you can potentially generate income by spending a few minutes each day managing your investment portfolio. However, please note that stock trading and investing carry risks and require careful research and decision-making.

3. Rental properties: If you own rental properties, you can hire property management services to handle the day-to-day operations, such as tenant screening, maintenance, and rent collection, while you spend minimal time overseeing the process.

4. Dividend investing: Dividend investing involves buying dividend-paying stocks or funds and holding them for the long term. Once you’ve set up your investment portfolio, you can spend minimal time monitoring it and collecting dividends.

5. Online content creation: If you have a skill or expertise in a particular area, such as writing, graphic design, or programming, you can create digital products or content, such as e-books, online courses, or software, and sell them online. Once you’ve created the initial product, you can spend minimal time on marketing and maintenance.

It’s important to note that creating a sustainable income with minimal effort often requires significant upfront investment of time, effort, and resources to set up the necessary systems and processes. Additionally, the success of any income-generating venture depends on various factors, including market conditions, demand for your products/services, and your ability to manage and optimize your business. It’s essential to thoroughly research and plan your approach to ensure you are setting up a legitimate and sustainable income stream. Consulting with a financial advisor or business professional may also be beneficial in developing a sound strategy.