a continuum of effective community services, and strong family supports, and to improve the educational and life outcomes which have a significant benefit to residents of housing assisted under this title, including children and youth and, as appropriate, for adult residents, including the elderly or persons with disabilities. (4) Providing supportive services (as such term is defined in section 315) which have a significant benefit to residents of housing assisted under this title, primarily focused on services described in subparagraphs (B) and (C) of section 315(14). (5) Rehabilitation and physical improvement of community facilities that are primarily intended to facilitate the delivery of community and supportive services which have a significant benefit to residents of housing assisted by the grant and residents of off-site replacement housing. (6) Work incentives designed to help low-income residents assisted by the housing under this title access jobs and move toward self-sufficiency. (7) Partnering with employers and for-profit and nonprofit organizations to create jobs and job training opportunities which have a significant benefit to residents of housing assisted under this title. (8) Activities that promote sustainable housing by incorporating principles of sustainable design and development, including energy efficiency. (9) Critical community improvements (as such term is defined in section 315 of this title) undertaken at sites that are adjacent to, or in the immediate vicinity of, housing assisted under this title. (10) Loss reserves to protect residents of housing assisted by the grant and continue the project in the case of default, foreclosure, or any other adverse financial event. The Secretary shall require any grantee under this title that will provide benefits under paragraph (3), (4), (5), or (7) to any residents who are not living in housing assisted with a grant under this title, to submit to the Secretary a plan identifying how such services will be provided. (d) Eligible methods of