It would be wise to speak to an attorney before finalizing your divorce. The court is required to divide the entire community estate and to confirm separate property when there is clear and convincing evidence as to its existence.
Your daughter should meet with an attorney as soon as possible. Waivers are tricky documents as there are different types of waivers. So as to protect her self she should meet with someone sooner rather than later.
Is there a possession schedule in place? Is he taking him out of school on days in which he has a right to possession? You should likely speak to a family attorney to discuss possible enforcement or modification issues.
The answer to any question that starts with can is... of course.
The question should not be can you do it, it should be should it be done? Removing personal property is often times an emotional response to a situation. Seldom does the removal of property dictate what happens with the property at the end of the day.
It is also important to know what is being done with the property once it is being taken. Is it being hidden, sold, transferred to another person?
Talk to your...
The division of your community estate hinges on a number of factors. Yes, she can get a disproportionate division of the estate and be entitled to spousal support. The spousal support is dependent on a different set of factors.
I would suggest that you set up an appointment so that you can speak with a Board Certified attorney to answer your questions and to advise you on the next step.
Get an appointment with the best family law attorney you can afford. Do your homework and find the person you need for your case. The facts of your case will determine exactly how you will proceed. Be warned that time is of the essence as certain milestones may or may not confer jurisdiction in a particular place.
That answer to your question regarding the house is yes. While it is not the preferred method, there are certain circumstances that require that the parties retain the house as joint tenants after the divorce is finalized. Should you choose this course of action please make sure to speak with an attorney who handles these matters to discuss your rationale and to learn what is necessary to protect your interest in the residence.