When selling goods through live streaming, merchants in Small Commodity City can start live streaming by following the steps below:

1. **Select a live streaming platform**: Determine which live streaming platform to live stream on, such as Douyin, Kuaishou, Taobao Live, etc.

2. **Register an account**: If you have not registered an account yet, you need to register and verify your account first.

3. **Apply for live streaming permissions**: Apply for live streaming permissions in the merchant backend of the selected platform. Usually you need to submit relevant information such as business license and store information.

4. **Prepare live streaming equipment**: Ensure you have a stable network connection, high-quality cameras, microphones, fill lights and other equipment.

5. **Build a live streaming environment**: Choose a clean, tidy, and well-lit live streaming environment to ensure that the products are clearly displayed.

6. **Plan live streaming content**: Develop a live streaming plan, including live streaming time, theme, promotional activities, etc.

7. **Pre-launch promotion**: Carry out pre-launch promotion in social media, store announcements, WeChat groups and other channels in advance to attract audience attention.

8. **Pre-live check**: Check whether all live broadcast equipment is working properly before the broadcast to ensure stable network connection.

9. **Start live broadcast**: Start the live broadcast at the scheduled time, greet the audience, introduce yourself and the small commodity city.

10. **Display products**: Display the products one by one, and introduce the characteristics, uses, prices and other information of the products in detail.

11. **Interactive communication**: Interact with the audience, answer the audience's questions, and guide the audience to participate in the interaction.

12. **Promotional activities**: Launch promotional activities in the live broadcast, such as limited-time discounts, discounts for full purchases, etc., to stimulate audience purchases.

13. **End live broadcast**: After the live broadcast, thank the audience for watching and supporting, and remind the audience to pay attention to the subsequent live broadcast.

14. **Data Analysis**: After the live broadcast, analyze the live broadcast data, such as the number of viewers, number of interactions, sales, etc., in order to optimize the live broadcast strategy.

Please note that the specific operation steps may vary depending on the selected live broadcast platform and the actual situation of the merchant. In the actual operation process, it is recommended to refer to the official guide and help documents of the selected platform to ensure that the live broadcast sales are carried out correctly.