loan problems etc I would say bail on this property too many bad omens. Push the company to get your deposit back. Budget, in your situation that is going to be a toughie, so you are going to have to come up with a living arrangements plan. If you go with an RV and stay at a decent campground you will have showers and a bit more convenient than going to a gym to do so. Plus you could cook all your meals. But then there is the tag, title insurance etc involved with an rv, plus finding one that will be comfortable for the entire family.
Short term living hotel, could get expensive and be unsettling. Six months lease on another house it all has its problems. Back to all the old pros and cons type list because until you figure out housing you really can’t do a truly accurate budget.