
- Copywriting: this skill is centered on using words to sell. As a copywriter you should be able to get people to take whatever action you want them to take through your copy. Some examples of copy are sales letter, product description etc.

- Forex: This is simply you learning to trade currencies. This has been proven to be a high income skill if you are patient enough to learn. I actually trade myself so yes it is a good way to earn if you learn it.
As a beginner, you should consider going to babypips.com it will give you a headstart then look for a mentor. Look for someone that already has a success story and have some students who are also successful and learn from.
- Digital skills: as the world is going digital, learning any digital skill is a sure way for you to make money. Some digital skills you should consider learning are website development, mobile app development, 3d animation etc.