You may do freelancing for you to earn an additional income. There are lots of groups that may help you succeed in the freelancing industry. I've started just last month and now I am earning from freelancing while working in an office too. Some Singaporean client gives $3-$5/hour for part timers.
You may want to visit my page:
https://jennasilan.wixsite.com/freelancebyjenna
Forum Topic
Singapore Work Questions... Salaries VS. Takehome Pay
-
Holy Mother of Ressurection!