The accommodation supplement of up to $172 a week is paid as a subsidy for rent, board or mortgage and depends on age, income, dependents and region.
She acknowledged that Labour's Annette King had raised concerns about the accommodation supplement recently. She claimed that landlords increased the rents when they knew their tenants were receiving an accommodation supplement and that the supplement, likely to cost $1.2 billion this year, had not improved housing or access to housing.
Ms Bennett said that she was also considering a system whereby people who were given grants for food could be given a food parcel instead.
Food parcels could be delivered to people in need instead of grants, which cost about $63 million a year, and possibly with recipes in them because many people did not know cooking basics.
To questions about women sometimes deciding to qualify for the domestic purposes benefit, rather than work on minimum wages, Mrs Bennett said she found herself pregnant at 17 "and I didn't plan it".
She spoke passionately about how more needed to be done for young women, especially Maori women, to restore their self-respect.
"Maori women in particular - we are strong women that run those marae and had self-respect and chose who we slept with, we had dignity, we had mana.
"Men got to stand in front but everyone knew that Maori women were the ones that did everything."