Is it legal to buy free benefits?

Legal.

According to Aiqi's investigation data, Buyihui's full name is Buyihui (Chengdu) Internet Service Co., Ltd., which was established on June 20, 2022, registered at No.2 Zhengbeixia Street, Huayang Street, Tianfu New District, Chengdu, Sichuan Province, and its legal representative is Zhang Xinwei. The business scope includes general items: Internet security services; Sports competition organization; Organizing sports performances; Sports event planning; Organize cultural and artistic exchange activities; Personal internet live broadcast service; Ticket agency service; Passenger ticketing agents, as well as other formal companies protected by official website's certification laws, operate within the scope permitted by law, without self-risk warning, and their business status is in the process of opening. Therefore, it is a legal company.