Office workers work eight hours a day, and the off-duty time becomes blank, even on holidays and weekends. Some smart office workers use this time to do part-time jobs.

1. Making money by charging means that the website pays you to receive emails, do research, try to book rooms and browse the web. Those websites that pay you to complete registration are generally profitable by lottery.

2. Handicraft industry makes money by producing and selling. Products that can be made include: website templates, audio clips and even your own e-books.

3. Make money by publishing resources such as Baidu Library, Douding.com and Nitu.com, and design resources and article resources will do.

4. Take the task in Witkey through technology. And bid for works to make money. You can also participate in competitions such as logo design. Of course, you need to have skills in graphic design, programming or advertising pattern writing.

5. You can also write about the big fish from the media. This income is considerable, but you need to reach five-star fish or meet the quality score requirements to open the income. You can also open the income by opening the original text. It is also more profitable to write this in your spare time.