- Ask for a raise and see what happens.
- Go to interviews and see what is the standard pay for the type of work you do. Maybe you are worth more that you think.
- Start as a Uber (or other shared service) driver in weekends. Focus on places where people party and hang around weekends.
- Buy stuff on AliExpress/Alibaba and sell them on listings websites.
- Depending on what your work is, try to see if there are gigs on freelancer websites (freelancer.com) or post some of your skills (fiverr.com).
- Go to fair markets and look for bargain deals. Some people sell good products on low prices. Buy them and re-sell them on listing websites.
- Start a website as a side business and grow it.
- Buy a small business that doesn't require that much of your time and make it work on autopilot. For example a automated car wash machine.
- If you like cars you can buy and sell them. Flipping cars is a great way to make extra money but only if you know what you are doing.
- Start creating content: audio, video, written. Content is evergreen and it stands the test of time. If your content is great, business will always want a "parking space" for which the have to pay.
