The cost of operating a new product on Taobao varies depending on the specific needs of the merchant and the service they choose, but it mainly includes the following aspects:

1. **Store decoration costs**: Merchants can choose the appropriate store decoration template according to their needs. Taobao provides some free decoration templates, and there are also some paid advanced templates for selection.

2. **Marketing and promotion costs**: In order to attract customers and increase sales, merchants may need to invest certain advertising and promotion costs, including but not limited to the costs of Taobao's internal through trains, diamond exhibitions and other promotional tools.

3. **Product photography and description**: High-quality product pictures and detailed product descriptions can increase the attractiveness of the product. This part may involve the cost of product photography and copywriting.

4. **Labor costs**: If a merchant hires professionals or teams to operate the store, then the salary of the staff is also an important expense.

5. **Technical service fees**: If a merchant chooses a third-party operation service, it usually needs to pay a certain percentage of technical service fees and sales commission.

6. **Other possible expenses**: including but not limited to software tool usage fees, data analysis service fees, etc.

It should be noted that the above-mentioned expense items are not fixed, and merchants can flexibly adjust them according to their actual situation and budget. In addition, a newly opened store may need more investment in store promotion and brand building in the early stage in order to quickly accumulate customer base and sales.

In general, the cost of operating a new Taobao store will vary depending on the different choices of the merchant, but the main expense items include store decoration, marketing promotion, product photography and description, labor costs, technical service fees, etc. Merchants can plan and control these expenses according to their actual situation and budget.