Creating Cash from your Musical Instruments

If you know how to play any instruments (guitar, drums, piano, etc.) you can teach others for £5-£10 a week.

Tutoring

This is an effective way to earn money and works really well if you are excellent in (a) certain school subject(s) and you are able to translate your thoughts into words in a way students can understand.
Starting your tutoring business for £ 5 per hour in order to get as many students as possible with your special price.

An easy guide on how to make money with Fiverr

Fiverr is an online marketplace where you can monetize your skills/services, starting at $5. For example, you can give people travel tips for visiting Paris or design a logo, sing a Happy Birthday song in front of the webcam...

If you're interested, then you should take a look at the Youtube-video on how to open an Fiverr account