Since he says your not paying bills and just sucking resources do the following on a work day, be ready to leave the house when he gets up. Tell him: “Since I’m not paying bills and just sucking resources you can take care of the resources I’m sucking up. Leave the house and let him take care of your two small children for a day.
He’ll probably need to call in sick or take a vacation day. Go to a friends house or just go anywhere and don’t come home till 10PM, that way he has a full day with the children. If he text or calls you during the day, just test him: “I’m alive, see you at 10PM, just to let him know you’re alive.