Affordable housing for members without any speculative intent. Families with children are generally given preference. The cooperative builds apartments and rents them to members at rents based on cost, taking into account the economic self-maintenance of the cooperative and the possibility of good maintenance and renovations. It can acquire and sell land, maintain its buildings in good structural condition, and participate in companies with similar or identical objectives, as well as acquire membership in umbrella organizations of non-profit building cooperatives.