Advantages and disadvantages of not joining:

Advantages: low cost and quick recovery. The disadvantage is that the user's trust is not high, the product's appearance and taste are basically the same, and it is not competitive;

Advantages and disadvantages of joining:

Advantages: high user acceptance and strong product premium ability; Disadvantages: high cost and long recovery time;

If the products are similar to those on the street, there is no need to join.