Go on the trip. The kids need some time away just as much as you do. The budget is doable as long as you are careful. I suggest bringing a small notebook just to keep tabs on the money you spend. I'd also only take a certain amount into the parks every day and leave the rest locked in the safe in your room or keep it in a separate compartment in your purse. That way there is no chance of overspending. Check allears.net for menus and pricing(at Disney), that will give you an idea on meal costs. One of my favorite meals at WDW is the 1/2 rotisserie chicken at Cosmic Rays. It's $10 but it could very well feed all three of you. I usually split it with one of my boys. Good luck OP, I hope everything gets resolved soon and you and the kids can move forward. Please come back and tell us how your trip went. I hope you all have a great time and make wonderful memories!