Yes. Jingdong sign-in and cash-out group: a free mutual aid group where you can sign in and get rewards. You can also invite new users to join. Helping others can also help yourself.

Pinduoduo support group: Pinduoduo’s support group is also free. In this group, you can help others negotiate prices by helping each other, and you can also get corresponding rewards. WeChat likes and mutual aid groups: You need to collect likes, but mobilizing people around you is still not enough. You can consider joining such a WeChat mutual aid group.