You need to get your ducks in a row. First things first...the kids. Then the house and financial matters.
You can respond to W using KISS and STFU principles.
In the meantime, I'd do research on the house value and take a look at housing prices. Keep this information to yourself. You need to be prepared for the possibility that your kids will not be brought back to your province. Work with this mindset. It is what you need to focus on at the moment.
