Hiring the right agent is something your child can assist you with, but signing paperwork, gathering bank statements, taxes, income documentation is something that you will need to do yourself.
Having your kids help can be fine, but they need to either be fully involved or not. One of the worst experiences anyone can have is the drive by "expert" who knows nothing but thinks they know everything and confuses everyone. Either they are by your side all the way through or they keep a safe distance.
Short sales are complicated, but not uncommon anymore.