Is it permissible to participate in multi-level marketing companies such as "WorldGMN," based on the opinions of those who permit this type of marketing, knowing that joining the company requires purchasing a solar panel and owning it for 20 years, with the possibility of reselling it after one year?

We thank you for contacting us and for your diligence in verifying matters of your religion. Regarding your question about multi-level marketing, we have clarified its prohibitions and the Shariah-compliant conditions for participating in it and working within its system in fatwas: 98250, 133880, 144598. The difference in names and the variety of companies are not relevant. We apologize for not following the links you sent due to the large number of questions we receive.