The Rainbow Homestay was originally established to accommodate international volunteers contributing their time and expertise to projects at the center and in the broader community. In 2011, the initiative expanded to welcome general visitors, emphasizing partnerships with tourism companies. Since then, the Homestay has provided a sustainable source of financial support, generating approximately 40 percent of the project’s operating budget and serving as a long-term sponsorship mechanism.

Currently, the facility consists of two buildings with four shared rooms, each accommodating up to ten guests, and two private rooms reserved for senior volunteers. This operational model enhances the organization’s financial stability and promotes both cultural exchange and community engagement.