You should get ftb. We defer our family payments until after we do tax every financial year as i dont want to over estimate but Based on last year. My DH earns anywhere from $1000-$1300 per week, and for Half of the last financial year I was taking home approx $800 a fortnight. At the end of the financial year when we did our tax we still got $3000 for family tax benefits. So If we get family tax benefit with me working, you living on one wage would def get ftb