Since you want to use SOWT, you know yourself best, so the analysis you want can only be analyzed by yourself.

Taobao C2C, advantages: low threshold, easy operation and low start-up cost.

Disadvantages: not trusted, many fakes, fierce price competition, and no guarantee after sale.

Tmall C2C, advantages: high threshold, relatively guaranteed quality, relatively guaranteed after-sales, strict management and relatively high trust.

Disadvantages: many qualifications, high start-up cost, strict management, easy to be punished, and individuals cannot settle in.

Alibaba B2B, B2C, advantages: great fame, many opportunities,

Disadvantages: the business is not suitable for individuals, but for companies, mainly wholesale, with fierce competition and high operating costs.