Came across an article on asiaone on how to make extra cash. It listed 10 ways:
1) Sell your unwanted stuff
2) Rent out your spare room
3) Get a part-time job
4) Get paid to do surveys
5) Become a mystery shopper
6) Sell your skills
7) Make money out of your hobby
8) Show off your problem-solving skills
9) Get paid to baby-sit
10) Sell advertising space on your website

Basically, most of them required an exchange of time for money, more specifically Item 1, 3, 4, 5, 6, 7, 8, 9. This is no different from your current job. In fact, it should be weighed vis-a-vis the per hour rate of return. If it does not, I would prefer to focus on improving my value add to the organisation to move up or be in demand from external. It is not practical for full time employees who ......