Everybody has some type of unique talent that they can use to their benefit.
If you have specific knowledge in a certain field of you can take what you are know at and monetize it.
1-on-1 Private Coaching is a great way to earn an income while still having flexibility. You can create your own schedule and set your own rates. You are truly in charge of yourself.
Some Examples:
Basketball Player- Training Sessions teaching fundamentals
Musician- Lessons teaching the fundamentals
Body Builder- Personal Training Sessions
Artist- Run a Wine and Design Class
Brainiac- 1-on-1 Tutoring Sessions
You are great at something, so take what you know and teach somebody willing to learn.