Low Income Investment Fund (LIIF) is driving $5 billion in investments to strengthen communities (2020-2030). https://t.co/TTSGmdUrXz #CDFI LIIF is driving $5 billion in investments to strengthen communities (2020-2030). The Low Income Investment Fund(LIIF) is dedicated to creating pathways of opportunity for low income people and communities. Serving the poorest of the poor, LIIF is a steward for capital invested in housing, child care, education and other community-building initiatives. In so doing, LIIF provides a bridge between private capital markets and low income neighborhoods.