cooperative rent
non-terminable termination because of own needs, release from leases
permantently non-profit scale rent, rent increase, renovations that upgrade buildings to luxury status with the aim of freeing them from occupancy
neighborly environment ?
Facilities with community benefit (guest appartments, common room, workshop space, car sharing, etc.) ?
Equity as compulsory shares (20-30% of the appartments costs) Desposit (e.g. 3 months rents)