Some high-income skills that you may want to learn include: 1. Sales: Learning how to sell can be a great way to increase your income. There are many different sales strategies and techniques that you can learn in order to be successful. 2. Marketing: If you want to pursue a career in marketing, then learning about different marketing strategies and how to effectively market products or services can be very beneficial. 3. Business: If you want to start your own business or work in a corporate environment, then learning about different aspects of business such as accounting, finance, and management can be very helpful. 4. Technology: With the ever-changing landscape of technology, keeping up-to-date with latest trends and advancements can be extremely beneficial. Whether it is learning how to code or using new software applications, staying ahead of the curve can help you in your career.